Population of young children in the UK 1971-2023, by single year of age

As of 2023, the population of young children aged between 0 and 4 years old in the United Kingdom was estimated to be just under 3.57 million, with 667,182 under 12 months old, 712,250 at age one, 709,269 aged two, 734,023 aged three, and 749,283 aged four.

截至2023年，英国0至4岁幼童的人口估计约为357万，其中不足12个月大的儿童有667,182人，一岁儿童有712,250人，两岁儿童有709,269人，三岁儿童有734,023人，四岁儿童有749,283人。