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Statistical bulletin: Retail Sales, October 2013 This product is designated as National Statistics

Released: 14 November 2013 Download PDF

Key Points

  • Year-on-year estimates of the quantity bought in the retail industry continue to show growth. In October 2013, the quantity bought increased by 1.8% compared with October 2012. On the month the quantity bought decreased by 0.7%. Despite this fall, the underlying pattern in the data as suggested by the three month on three month movement is flat, following a sustained seven month period of growth.
  • Of the four main retail sectors non-food stores and non-store retailing provided the upwards contributions to the year-on-year growth increasing by 2.7% and 16.3% respectively. Food stores and petrol stations saw falls in the quantity bought of 0.3% and 2.4% respectively.
  • The amount spent in the retail industry in October 2013 increased by 2.5% compared with October 2012 but fell by 0.7% compared with September 2013. Non-seasonally adjusted data show that the average weekly spend in October 2013 was £6.9 billion.
  • In October 2013, non-seasonally adjusted data show that the proportion of online sales increased by 1.1% compared with October 2012 and accounted for 10.5% of all retail sales (excluding automotive fuel). Feedback from retailers suggests online specific promotions were the contributing factor to this increase.
  • The annual increase in the prices of goods sold in the retail industry slowed from an increase of 0.9% in September to 0.7% in October. Consistent with the Consumer Prices Index (CPI), the automotive fuel sector provided the largest contribution to this change with the prices of goods sold in this sector falling by 3.5%, the largest fall in the price of goods sold in this sector since September 2009. Excluding automotive fuel the prices of goods sold increased by 1.3% in October 2013.

Additional Information

This bulletin presents estimates of the quantity bought (volume) and amount spent (value) in the retail industry for the period 29 September 2013 to 26 October 2013. Unless otherwise stated, the estimates in this release are seasonally adjusted.

Users are reminded that the figures contained within this release are estimates based on a monthly survey of 5,000 retailers, including all large retailers employing 100 people or more. The timeliness of these retail sales estimates, which are published just two weeks after the end of each month, makes them an important early economic indicator. The industry as a whole is used as an indicator of how the wider economy is performing and the strength of consumer spending.

Key Figures

Table 1: All Retailing, October 2013 (seasonally adjusted percentage change)

      Most recent month on a year earlier Most recent 3 months on a year earlier Most recent month on previous month Most recent 3 months on previous 3 months
Amount spent (Value)  2.5 2.9 -0.7 0.4
Quantity bought (Volume)   1.8 1.9 -0.7 0.0
Value excluding automotive fuel 3.6 3.7 -0.3 0.4
Volume excluding automotive fuel   2.3 2.3 -0.6 0.2

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At a Glance

In October 2013, the quantity bought in the retail industry (volume) increased by 1.8% compared with October 2012.  The amount spent (value) increased by 2.5%. Since October 2012, non-seasonally adjusted data show that the prices of goods sold in the retail industry (as measured by the implied price deflator) increased by 0.7%. More information on how the implied price deflator is calculated can be found in the background notes.

Economic Context

To enable a comparison of change, figure 1 shows the quantity of goods bought in the retail industry (all retailing sales volumes) and the amount spent (all retailing sales values), as indices referenced to 2010.

Both the quantity and the value of retail sales grew steadily between January 2005 and January 2008. The quantity of retail sales (including fuel) grew by 7.8%, while the value of retail sales increased by 11.7%. The difference was due to price increases, with the Consumer Prices Index (CPI) increasing by 7.0% over the three years. Average weekly earnings (excluding bonuses) increased by 12.2% over the same period, implying that real household earnings were increasing.

Between January 2008 and October 2013 (the most recent month for which data are available), the volume of retail sales grew by just 2.7%, with the majority of the growth coming from the latest 8 months. At the same time, the value of retail sales rose by 15.7%. This reflects the extent to which prices have increased since the onset of the economic downturn, CPI having increased by 20.3%.

Figure 1: All retailing seasonally adjusted sales volumes and values

Figure 1: All retailing seasonally adjusted sales volumes and values

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The retail industry is divided into four retail sectors:

  • Predominantly food stores (e.g. supermarkets, specialist food stores and sales of alcoholic drinks and tobacco);

  • Predominantly non-food stores (e.g. non-specialised stores, such as department stores, textiles, clothing & footwear, household goods and other stores);

  • Non-store retailing (e.g. mail order, catalogues and market stalls); and

  • Stores selling automotive fuel (petrol stations).

In October 2013, for every pound spent in the retail industry:

  • 42 pence was spent in food stores;

  • 41 pence in non-food stores;

  • 6 pence in non-store retailing; and

  • 11 pence in stores selling automotive fuel.

Using these as weights, along with the year-on-year growth rates, we can calculate how each sector contributed to the total year-on-year growth in the quantity bought.

Figures 2 and 3 show the contribution of each sector to the quantity bought (volume) and amount spent (value) in retail between October 2012 and October 2013.

Figure 2: Contributions to year-on-year volume growth from the four main retail sectors

Figure 2: Contributions to year-on-year volume growth from the four main retail sectors

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In October 2013, two out of four of the main sectors, non-food stores and non-store retailing, contributed to the increase in the quantity bought.  This was partially offset by a downward contribution from food stores and petrol stations. 

Figure 3: Contributions to year-on-year value growth from the four main retail sectors

Figure 3: Contributions to year-on-year value growth from the four main retail sectors

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In October 2013, three out of four of the main sectors, food stores, non-foods stores and non-store retailing, contributed to the increase in amount spent (value). The largest contribution came from the food sector. 

Focus on Internet Sales

Internet sales estimate how much was spent online through retailers across all stores types excluding automotive fuel in Great Britain. All data are non-seasonally adjusted.

Internet sales are an increasing part of retail

Internet sales have been rising much more rapidly than retail sales as a whole in recent years, although there has been a consistent pattern of peaks towards the end of the year as shown in figure 4.

Generally, the proportion of retail sales from the Internet peaks in November, although in 2012 the peak was in December instead. The proportion for October 2013 is only exceeded by November and December 2012. Retail sales increase dramatically in December and, to a lesser extent November, due to the Christmas shopping season. It should also be noted that in early 2013 the proportion of sales made online did not fall to the same extent it had in previous years, this was largely due to the harsh winter weather experienced in early 2013 and consumers using the Internet as an alternative to in-store shopping.

Figure 4: online sales as a proportion of retail sales

Figure 4: online sales as a proportion of retail sales

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The proportion of retail sales made over the Internet has increased year-on-year in every month since 2007, although the rate of increase slowed during 2009 and has been erratic since. In October 2012, this proportion was 9.4%, meaning that the October 2013 figure of 10.5% represents a year-on-year increase of 1.1 percentage points. As shown in figure 5 this is higher than for most of the last four years, but lower than in 2007 and 2008. It was unchanged on the previous month.

Figure 5: year-on-year change in online sales as a proportion of retail sales

Figure 5: year-on-year change in online sales as a proportion of retail sales

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Internet sales by sector

Department stores recorded the largest increase in the proportion of Internet sales in October, increasing by 0.7 percentage points between September and October to 9.9%. This also represented an increase of 2.3 percentage points year-on-year. The value of Internet sales in this sector increased by 18.8% month-on-month and by 39.3% year-on-year.

Conversely, there was a slight decrease in the proportion of Internet sales in the non-store retailing sector, which includes mail order companies and stalls and markets, from 66.2% in September to 65.4% in October. However, this was still an increase of 2.0 percentage points year-on-year, additionally, the value of Internet sales increased by 18.5% in this sector.

Internet sales in detail

Internet sales are estimates of how much was spent online through retailers across all store types, excluding automotive fuel, in Great Britain. Figures are non-seasonally adjusted and the reference year is 2010=100. Table 2 shows the year-on-year growth rates for total internet sales by sector and the proportion of sales that each sector makes to total internet sales.

Table 2: Summary of Internet Statistics for October 2013

Category Year on year growth % (Value NSA) Proportion of total sales  made online
All retailing 15.9 10.5
All food 14.6 3.5
All non-food 13.3 8.5
  Department stores 39.3 9.9
  Textile, clothing and footwear stores 2.1 10.2
  Household goods stores -1.6 5.5
  Other stores 19.7 7.8
Non-store retailing 18.5 65.4

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Amount Spent in the Retail Industry

In the October 2013 four week reporting period, the amount spent in the retail industry was £27.8 billion (non-seasonally adjusted).  This compares with £33.8 billion in the five weeks of September 2013 and £27.1 billion in the four weeks of October 2012.

This equates to an average weekly spend of £6.9 billion in October 2013, £6.8 billion in September 2013 and £6.8 billion in October 2012.


Sector Summary

Key Points

  • In the other stores sector one of the main sources of upwards pressure came from stores selling watches and jewellery.  Feedback suggested that this increase was in part due to consumers purchasing Christmas gifts early.

  • In the household goods stores sector, the quantity bought in DIY stores increased.  This negated the falls in the quantity bought at music and video stores and electrical appliance stores. 

  • Falls in the quantity bought at footwear stores and textile stores outweighed the slight increase seen in the quantity bought in clothing stores.  Feedback from clothing stores suggested that sales were dampened by above average temperatures in October.

  • Upwards pressure to average store prices again came from predominantly food stores and clothing stores.  All of the other main store groupings saw average prices fall in comparison with October 2012.   

Table 3: Sector Summary, October 2013

    Percentage change over 12 months   Average weekly sales (£ billion)
Quantity bought (volume)  Amount spent (value)  Average store price 
Predominantly food stores¹ -0.3 3.0 3.3 2.8
Predominantly non-food stores² 2.7 2.6 -0.1 2.9
Non-specialised stores³ 6.6 5.9 -0.6 0.6
Textiles, clothing & footwear stores -0.4 0.7 1.2 0.8
Household goods stores 0.0 -0.6 -0.5 0.6
Other stores 4.9 4.5 -0.6 0.9
Non-store retailing 16.3 15.4 -0.6 0.5
Fuel stores -2.4 -5.9 -3.5 0.7
Total   1.8 2.5 0.7 6.9

Table notes:

  1. Supermarkets, specialist food stores, and sales of alcoholic drinks and tobacco.
  2. Non-specialised stores, textiles, clothing and footwear, Household goods, and other stores
  3. Department stores

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Distribution Analysis

Table 4 illustrates the mix of experiences among different sized retailers. It shows the distribution of reported change in sales values of businesses in the RSI sample, ranked by size of business (based on number of employees). This table shows, for example, that the largest retailers, with 100 or more employees, reported an average increase in sales values of 2.2% between October 2012 and October 2013. In contrast smaller retailers employing 10 to 39 employees reported an average increase in sales of 13.5%.

Table 4: Changes in reported retail sales values between October 2012 and October 2013

Number of employees Weights (%) Growth since October 2012 (%)
100+ 78.2 2.2
40-99 2.3 15.1
10-39 6.9 13.5
0-9 12.6 -0.3

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Analysis of individual returns from businesses

The reference table, Business Analysis (18.5 Kb Excel sheet) , shows the extent to which individual businesses reported actual changes in their sales between October 2012 and October 2013. The table contains information only from businesses that reported in October 2012 and October 2013. Cells with values less than 10 are suppressed for some classification categories; this is denoted by n.a. Note that ‘large’ businesses are defined as those with 100+ employees and 10–99 employees with an annual turnover of more than £60 million, while ‘small and medium’ is defined as 0–99 employees.

Background notes

  1. Improvements to be introduced next month

    Not applicable.

  2. What’s New

    Not applicable.

  3. Understanding the data 

    Quick Guide to the Retail Sales Index (116.9 Kb Pdf)

    Interpreting the data

    • The Retail Sales Index (RSI) is derived from a monthly survey of 5,000 businesses in Great Britain. The sample represents the whole retail industry and includes the 900 largest retailers and a representative panel of smaller businesses. Collectively all of these businesses cover approximately 90 per cent of the retail industry in terms of turnover.

    • The RSI covers sales only from businesses classified as retailers according to the Standard Industrial Classification 2007 (SIC 2007), an internationally consistent classification of industries. The retail industry is division 47 of the SIC 2007 and retailing is defined as the sale of goods to the general public for household consumption. Consequently, the RSI includes all Internet businesses whose primary function is retailing and also covers Internet sales by other British retailers, such as online sales by supermarkets, department stores and catalogue companies. The RSI does not cover household spending on services bought from the retail industry as it is designed to only cover goods. Respondents are asked to separate out the non-goods elements of their sales, for example income from cafeterias. Consequently, online sales of services by retailers, such as car insurance, would also be excluded.

    • The monthly survey collects two figures from each sampled business: the total turnover for retail sales for the standard trading period, and a separate figure for sales made over the Internet. The total turnover will include Internet sales. The separation of the Internet sales figure allows an estimate relating to Internet sales to be calculated separately.

    Definitions and explanations

    • The value or current price series records the growth since the base period (currently 2010) of the value of sales ‘through the till’ before any adjustment for the effects of price changes.

    • The volume or constant price series are constructed by removing the effect of price changes from the value series. The Consumer Prices Index (CPI) is the main source of the information required on price changes. In brief, a deflator for each type of store (5-digit SIC) is derived by weighting together the CPI components for the appropriate commodities, the weights being based on the pattern of sales in the base year. These deflators are then applied to the value data to produce volume series.

    • The implied deflator or the estimated price of goods is derived by dividing the non-seasonally adjusted value and volume data to leave a price relative. In general, this implied price deflator should be quite close to the retail component of the CPI. More information on the implied price deflator can be found in the Quick Guide to Retail Sales (116.9 Kb Pdf) .

    Use of the data

    The value and volume measures of retail sales estimates are widely used in private and public sector organisations both domestically and internationally. For example, private sector institutions such as investment banks, the retail industry itself and retail groups use the data to inform decisions on the current economic performance of the retail industry. These organisations are most interested in a long term view of the retail sector that can be obtained from year-on-year growth rates. Public sector institutions use the data to assist in informed decision and policy making and tend to be most interested in a snapshot view of the retail industry, which is taken from the month-on-month growth rates.

  4. Methods

    Information on retail sales methodology is available in Retail Sales Methodology and Articles.

    1. Composition of the data

    Estimates in this statistical bulletin are based on financial data collected through the monthly Retail Sales Inquiry. The response rates for the current month reflect the response rates at the time of publication. Late returns for the previous month’s data are included in the results each month. Response rates for historical periods are updated to reflect the current level of response at the time of this publication.

    Table 5: Overall Response Rates

    Overall response rates (%)
    Period Turnover Questionnaire
    Oct  90.5 62.0
    Sep 97.7 77.1
    Aug 98.6 79.5
    Jul 99.1 79.4

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    2. Seasonal adjustment

    Seasonally adjusted estimates are derived by estimating and removing calendar effects (for example Easter moving between March and May) and seasonal effects (for example increased spending in December as a result of Christmas) from the non-seasonally adjusted (NSA) estimates. Seasonal adjustment is performed each month, and reviewed each year, using the standard, widely used software, X-12-ARIMA. Before adjusting for seasonality, prior adjustments are made for calendar effects (where statistically significant), such as returns that do not comply with the standard trading period (see section Methods, Calendar effects), bank holidays, Easter and the day of the week on which Christmas occurs.

    The data collected from the retail sales survey estimate the amount of money taken through the tills of retailers; these are non-seasonally adjusted data. These data consist of three components:

    • trend which describes long-term or underlying movements within the data

    • seasonal which describes regular variation around the trend, that is peaks and troughs within the time series, the most obvious in this case being the peak in December and the fall in January

    • irregular or ‘noise’, for example deeper falls within the non-seasonally adjusted series due to harsh weather impacting on retail sales

    To ease interpretation of the underlying movements in the data, the seasonal adjustment process estimates and removes the seasonal component to leave a seasonally adjusted time series consisting of the trend and irregular components.

    In the non-seasonally adjusted RSI we see large rises in December each year and a fall in the following January, but these are not evident in the seasonally adjusted index. This peak in December is larger than the subsequent fall but the trend and irregular components in both months are likely to be similar, meaning that the movements in the unadjusted series are almost completely as a result of the seasonal pattern.

    3.  Calendar effects

    The calculation of the RSI has an adjustment to compensate for calendar effects that arise from the differences in the reporting periods. The reporting period for October 2013 was 29 September 2013 to 26 October 2013, compared with 30 September 2012 to 27 October 2012 the previous year. Table 6 shows the differences between the calendar and seasonally adjusted estimates.

    Table 6: Retail Sales, Calendar Effects

    Year on year percentage change
    Value Volume
    Calendar adjusted 2.3 1.5
    Seasonally adjusted 2.5 1.8

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  5. Quality

    1. Basic quality information

    • The standard reporting periods can change over time due to the movement of the calendar. Every five or six years the standard reporting periods are brought back into line by adding an extra week. For example, January is typically a four-week standard period but January 1986, 1991, 1996, 2002 and 2008 were all five-week standard periods. The non-seasonally adjusted estimates will still contain calendar effects. If the non-seasonally adjusted estimates are used for analysis this can lead to a distortion depending on the timing of the standard reporting period in relation to the calendar, previous reporting periods and how trading activity changes over time.

    • The non-seasonally adjusted series contain elements relating to the impact of the standard reporting period, moving seasonality and trading day activity. When making comparisons it is recommended that users focus on the seasonally adjusted estimates as these have the systematic calendar related component removed. Due to the volatility of the monthly data, it is recommended that growth rates are calculated using an average of the latest three months of the seasonally adjusted estimates.

    • When interpreting the data, consideration should be given to the relative weighted contributions of the sectors within the all retailing series. Based on SIC 2007 data, total retail sales consists of: predominantly food stores 41.5%, predominantly non-food stores 41.3%, non-store retailing 5.7% and automotive fuel 11.5%.

    2. Standard errors

    Standard errors of non-seasonally adjusted chained volume index movements have been developed for RSI to determine the spread of possible movements and a means of assessing the accuracy of the non-seasonally adjusted month-on-month and year-on-year estimates of all retail sales volumes.  The lower the standard error, the more confident one can be that the estimate is close to the true value for the retail population.

    • The standard error for year-on-year growth in all retail sales (non-seasonally adjusted) volumes is 0.7%. This means that the year-on-year growth rate for all retail sales volumes (non-seasonally adjusted) falls within the range 1.7  ± 1.4 percentage points with a probability of 95%.

    • The standard error for month-on-month growth in all retail sales (non-seasonally adjusted) volumes is 0.4%. This means that the month-on-month growth rate for all retail sales volumes (non-seasonally adjusted) falls within the range 2.9 ± 0.8 percentage points with a probability of 95%.

    The paper ‘ Measuring the accuracy of the Retail Sales Index’ (1.04 Mb Pdf) , written by Winton, J and Ralph, J (2011) reports on the calculation of standard errors for month-on-month and year-on-year growth rates in the RSI as well as providing an overview of standard errors and how they can be interpreted.

    3. Summary quality report

    A Summary Quality Report (245.6 Kb Pdf) for the RSI. 

    This report describes, in detail the intended uses of the statistics presented in this publication, their general quality and the methods used to produce them.

    4. Revisions triangles

    Revisions to data provide one indication of the reliability of key indicators. The table below shows summary information on the size and direction of the revisions made to the volume data covering a five-year period. Note that changes in definition and classification mean that the revision analysis is not conceptually the same over time.

    Table 8: All Retailing, Volume Seasonally Adjusted, Revisions Triangles Summary Statistics, October 2013

    Volume seasonally adjusted

    Revisions between first publication and estimates twelve months later (percentage points)
    Growth in latest period (per cent) Average over the last five years (mean revision) Average over the last five years without regard to sign (average absolute revision)
    Latest three months compared with previous three months   0.0 -0.27 0.36
    Latest month compared with previous month   -0.7 -0.13 0.40

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    A spreadsheet giving these estimates and the calculations behind the averages in the table is available on the ONS website.

  6. Publication Policy

    Details of the policy governing the release of new data are available from the Media Relations Office. Also available is a list of the organisations given pre-publication access to the contents of this bulletin.

    Accessing data

    The complete run of data in the tables of this statistical bulletin is available to view and download in electronic format using the ONS Time Series Data service. Users can download the complete bulletin in a choice of zipped formats, or view and download their own sections of individual series. The Time Series Data

    Alternatively, for low-cost tailored data call 0845 601 3034 or email

    Next publication: Thursday 19 December 2013
    Issued by: Office for National Statistics, Government Buildings, Cardiff Road, Newport NP10 8XG

    Media contact:
    Tel Media Relations Office 0845 6041858
     Emergency on-call 07867 906553

    Statistical contact:
    Tel Kate Davies 01633 455602
    Email retail.sales.enquiries@ons.gsi,

    Contact us:
    Tel 0845 601 3034

  7. Details of the policy governing the release of new data are available by visiting or from the Media Relations Office email:

    These National Statistics are produced to high professional standards and released according to the arrangements approved by the UK Statistics Authority.

Statistical contacts

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