We have made improvements to population estimates for England and Wales from mid-2012 to mid-2016; these revised figures include new estimates of local authority international emigration and foreign armed forces dependants.
While regional, county and local authority-level estimates have changed, national-level estimates for both England and Wales have been held constant and so related national-level releases such as the 2016-based national population projections are unaffected.
The distribution of people aged in their 20s and 30s has changed more than for other age groups, resulting from the use of an updated emigration model and more timely data becoming available to distribute immigration for mid-2015 and mid-2016.
2011 Census internal migration statistics for the UK give estimates that classify people and households in areas within the UK and those having moved from each area to elsewhere within the UK in the year preceding the Census.
Revised estimates of the usually resident population for mid-2012 to mid-2016 (as at 30 June). Methodological improvements have been implemented allowing the creation of a new series of estimates that roll forward the 2011 Census. These revisions cover subnational population estimates for England and Wales only. Data are available by administrative area, single year of age, sex and component of population change.