Since the war began in 2022, the population has shrunk by more than 10 million, or around a quarter.

The country now has one of the world’s lowest birth rates and one of the highest death rates - 18.6 deaths per 1,000 people, according to the U.S. Central Intelligence Agency.

The birth rate has simultaneously fallen to about 0.9 children per woman, down from 1.16 before 2022, according to a government official.