A variety of approaches were used to reach the whole population, and to increase participation among some groups of people and achieve a high return rate for all areas:
Pre-addressed questionnaires posted out to all households using a specially developed national address register.
Co-operation with local groups included local authorities and regional, community and neighbourhood groups. A dedicated website supported stakeholder engagement in the build up to the census period.
Publicity a branded, national publicity campaign included TV and radio advertising, billboards, trade press and magazine partnerships.
Return online or by post - householders and residents in communal establishments had a choice of submitting questionnaires online or by post.
Support for the public through:
dedicated websites during the census period for the awareness campaign and the online questionnaire including advice and guidance for completing the questionnaire
an online accessibility support providing video and audio assistance, in English and Welsh, for people who are visually impaired or deaf
a multi-lingual telephone helpline