According to the Ptoukha Institute for Demography and Social Studies, the population of Ukraine as of January 1, 2023, was 28 to 34 million.
Thus, mobile network operators calculated that 31.1 million people were living in Ukraine as of January 1, 2023 (which is 5.1 million less than the number estimated by the operators on January 1, 2022).
The population of the territories that were temporarily occupied after February 24, 2022, is estimated at 3 million people (as of February 2023).
"We have tried to estimate the population as of January 1, 2023, within the national borders as of January 1, 2022. We obtained a range between 28 and 34 million people. The variation between the estimates is predominantly caused by the fact that we don’t understand the situation with migration," said Ella Libanova, the director of the Ptoukha Institute for Demography and Social Studies of the National Academy of Sciences of Ukraine.
She underscored that more accurate data can be obtained if Ukrainians who cross the state border with the country’s western neighbors or Moldova are properly accounted for.
At the same time, the expert acknowledged that it would be very hard to "count those alleged three million Ukrainians who have crossed the Russian border."
According to her, the main source of demographic information in any country is the census, which was only held once in independent Ukraine back in 2001.
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