Statizoid

Population, Persons for countries / Index for country groups (9/26/2025) by country

The World Economic Outlook (WEO) database is created during the biannual WEO exercise, which begins in January and June of each year and results in the April and September/October WEO publication. Selected series from the publication are available in a database format.

Countries reporting
26
Highest
1.54 billion
India
Lowest
453,961
Maldives
Median
26.25 million
Years covered
52
1980–2031
Data points
1,287

What the numbers show

Population, Persons for countries / Index for country groups (9/26/2025) is currently reported for 26 countries. The highest value is 1.54 billion in India; the lowest is 453,961 in Maldives.

The median across all reporting countries is 26.25 million, and the mean is 101.89 million.

The gap between the highest and lowest reporting country is a factor of about 3,385.

Over the past decade 20 countries rose and 6 fell. The largest increase was in Saudi Arabia (up 31.7%), and the largest decrease in Japan (down 5.0%).

Population, Persons for countries / Index for country groups: full country ranking

#Country LatestYear 10-year changeTrend
1 India 1.54 billion 2031 up 8.7% rising
2 Nigeria 269.20 million 2031 up 23.2% rising
3 Egypt 125.11 million 2031 up 22.5% rising
4 Japan 119.16 million 2031 down 5.0% flat
5 Iran (Islamic Republic of) 92.46 million 2031 up 10.0% rising
6 Türkiye 88.34 million 2031 up 5.0% rising
7 Thailand 71.10 million 2031 down 0.9% rising
8 Spain 52.28 million 2031 up 10.1% rising
9 Republic of Korea 51.22 million 2031 down 1.1% rising
10 Saudi Arabia 40.55 million 2031 up 31.7% rising
11 Ghana 38.86 million 2031 up 19.5% rising
12 Poland 35.84 million 2031 down 3.3% flat
13 Australia 29.80 million 2031 up 15.6% rising
14 Chinese Taipei 22.70 million 2031 down 2.9% rising
15 Ecuador 18.96 million 2031 up 7.6% rising
16 Honduras 12.06 million 2031 up 17.2% rising
17 United Arab Emirates 11.78 million 2031 up 19.5% volatile
18 Dominican Republic 11.43 million 2031 up 8.5% rising
19 Hong Kong (China) 7.77 million 2031 up 5.0% rising
20 Singapore 6.37 million 2031 up 16.7% rising
21 Lithuania 2.87 million 2031 up 2.1% falling
22 Latvia 1.84 million 2031 down 2.9% falling
23 Estonia 1.36 million 2031 up 2.2% falling
24 Montenegro 626,027 2031 up 0.2% flat
25 Brunei Darussalam 489,900 2031 up 11.2% rising
26 Maldives 453,961 2031 up 18.1% rising

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Population, Persons for countries / Index for country groups by country. Statizoid, drawing on International Monetary Fund. Retrieved 21 August 2026, from https://population.statizoid.com/stat/population-persons-for-countries-index-for-country-groups-9-26-2025/

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About this data

Indicator
Population, Persons for countries / Index for country groups (9/26/2025)
Source
International Monetary Fund
Licence
IMF Terms and Conditions (attribution required)
Coverage
26 places, 1,287 data points, 1980–2031
Last refreshed

The World Economic Outlook (WEO) database is created during the biannual WEO exercise, which begins in January and June of each year and results in the April and September/October WEO publication. Selected series from the publication are available in a database format.