The Ternovskiys are proud of their Russian ethnic background, but they have a complicated relationship with the motherland.

NEWYORKER: Roulette Russian

The Department for Education (DfE) said it recommended parents and guardians should determine the ethnic background for their children at primary schools.

BBC: The Cornish flag and Tamar Bridge

The public were asked questions about their jobs, health, education and ethnic background.

BBC: England and Wales population up

People are asked questions about their jobs, health, education and ethnic background.

BBC: Census forms

The census - which is used to plan public services - is carried out every 10 years, during which the public are asked questions about their jobs, health, education and ethnic background.

BBC: 138,000 speak no English - census