Population of Tallinn in 2025 was 456 518. Tallinn is the capital and largest city in Estonia. It is also the primate city of Estonia, since its second largest city Tartu is around 4.5 times smaller. In 1989, population of Tallin was close to 500 000, however, it shrank to less than 400 000 around 2000, but has been increasing ever since.
