Erthygl ryngweithiol sy'n dangos sut mae'r boblogaeth wedi newid mewn gwahanol ardaloedd awdurdod lleol a gêm map o'r boblogaeth sy'n defnyddio data o ganlyniadau cyntaf Cyfrifiad 2021 yng Nghymru a Lloegr.
Publications
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Play the Census 2021 population map game
Move across England and Wales by correctly guessing if the number of people living in an area is higher or lower than others.
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How the population changed where you live: Census 2021
Using the first results from Census 2021, we look at which local authority areas have seen the biggest population increases and decreases, which areas had the largest growth in different age groups, and how your chosen area compares with others.