The population of Greece in 2025 is estimated to be approximately between 9.9 million and 10.5 million people, depending on the source. More precise recent estimates include:

• About 9,938,844 people at mid-year 2025 according to Worldometer

• Around 10,239,277 people as of January 1, 2025, per Countrymeters, noting a decline from the previous year

• Approximately 10,519,000 people as of May 25, 2025, according to PopulationOf.net, which also notes a slight ongoing population decline

• The Hellenic Statistical Authority estimated the population at about 10,400,720 in 2024

Overall, the population is slightly declining due to natural decrease and migration, with projections indicating it may fall further to around 8.9 million by 2050

. The current population density is roughly 77 to 85 people per square kilometer. Thus, the best current estimate for Greece's population in 2025 is around 10.2 to 10.5 million people.