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Upper middle income Countries Ranked by Population ages 0-14 share (2025)

Population ages 0-14 share: each country's latest value (2020–2025), ranked from highest to lowest. Source: The World Bank (CC BY 4.0).

Summary

Samoa ranks #1 with 38.1% of population. Equatorial Guinea is second with 37.1% of population, 2.6% behind. The top five are Samoa, Equatorial Guinea, Gabon, Iraq and Tonga. The median across all 59 is 22.9% of population; Bosnia and Herzegovina is last at 12.8% of population. Samoa's figure has fallen 6% since 2001 (40.7% of population to 38.1% of population in 2025).

#1
Samoa · 38.1% of population
Median
22.9% of population
Coverage
59 Upper middle income countries
Data year
2025
Last updated
2026-11-14
Top 10: Population ages 0-14 shareBar chart of the top 10: 1. Samoa 38.1; 2. Equatorial Guinea 37.1; 3. Gabon 36.2; 4. Iraq 36; 5. Tonga 34.9; 6. Marshall Islands 33.9; 7. Tuvalu 33; 8. Botswana 32; 9. Mongolia 31.6; 10. Micronesia, Fed. Sts. 31.5.Samoa38.1Equatorial Guinea37.1Gabon36.2Iraq36Tonga34.9Marshall Islands33.9Tuvalu33Botswana32Mongolia31.6Micronesia, Fed. Sts.31.5
Top 10: Population ages 0-14 share (% of population). Bar chart of the top 10: 1. Samoa 38.1; 2. Equatorial Guinea 37.1; 3. Gabon 36.2; 4. Iraq 36; 5. Tonga 34.9; 6. Marshall Islands 33.9; 7. Tuvalu 33; 8. Botswana 32; 9. Mongolia 31.6; 10. Micronesia, Fed. Sts. 31.5.
Population ages 0-14 share over time, top 5Samoa: 40.7 in 2001 to 38.1 in 2025; Equatorial Guinea: 42.2 in 2001 to 37.1 in 2025; Gabon: 40.5 in 2001 to 36.2 in 2025; Iraq: 43.5 in 2001 to 36 in 2025; Tonga: 38.2 in 2001 to 34.9 in 2025.010.921.832.643.5200120132025SamoaEquatorial GuineaGabonIraqTonga
Population ages 0-14 share over time, top 5 (% of population). Samoa: 40.7 in 2001 to 38.1 in 2025; Equatorial Guinea: 42.2 in 2001 to 37.1 in 2025; Gabon: 40.5 in 2001 to 36.2 in 2025; Iraq: 43.5 in 2001 to 36 in 2025; Tonga: 38.2 in 2001 to 34.9 in 2025.

Full ranking

Upper middle income Countries Ranked by Population ages 0-14 share, 2025
RankCountryPopulation ages 0-14 share (% of population)
1Samoa38.1
2Equatorial Guinea37.1
3Gabon36.2
4Iraq36
5Tonga34.9
6Marshall Islands33.9
7Tuvalu33
8Botswana32
9Mongolia31.6
10Micronesia, Fed. Sts.31.5
11Turkmenistan31.2
12Guatemala31
13Jordan30.2
14Algeria29.9
15Kazakhstan29.1
16Paraguay28.4
17Philippines27.1
18Libya26.8
19Fiji26.8
20Belize26.3
21Dominican Republic26.2
22South Africa25.7
23Suriname25.3
24Cabo Verde24.7
25El Salvador24.4
26Indonesia24.2
27Mexico24.1
28Ecuador23.9
29Peru23.6
30Viet Nam22.9
31Iran, Islamic Rep.22
32Sri Lanka21.7
33Malaysia21.3
34Azerbaijan21.2
35Türkiye21
36Argentina21
37St. Vincent and the Grenadines20.9
38Georgia20.5
39Colombia20
40Kosovo20
41Moldova19.5
42Brazil19.4
43Maldives19
44Grenada19
45Armenia19
46Jamaica18.3
47Montenegro17.9
48Dominica17.6
49St. Lucia17.2
50Albania16.6
51North Macedonia16.5
52Belarus15.9
53China15.4
54Cuba15
55Mauritius14.5
56Thailand14.4
57Serbia14.3
58Ukraine13.7
59Bosnia and Herzegovina12.8

About the top 10

#9 Mongolia

Mongolia ranks #9 on this list with 31.6% of population.

Capital
Ulaanbaatar
Continent
Asia
Income group
Upper middle income
Population
3.57 million people (2025)
GDP
US$25.37 billion (2025)
GDP per person
US$7,108 (2025)
Life expectancy
72.4 years (2024)
Urban population
71.1% of population (2025)

Largest cities: Ulaanbaatar.

Also ranks #3 in mineral rents share of gdp · #4 in bank branches per 100,000 adults · #5 in hospital beds per 10,000.

Profile facts: World Bank (CC BY 4.0) and Wikidata (CC0); weather links go to Purr Weather, another ChowChow Labs site.

Source and method

Population ages 0-14 share: each country's latest value (2020–2025), ranked from highest to lowest.

Source: The World Bank, indicator SP.POP.0014.TO.ZS. Licence: CC BY 4.0. Retrieved: 2026-11-14.

The World Bank: Population ages 0-14 (% of total population): United Nations Population Division. World Population Prospects., United Nations Population Division (via World Development Indicators)

Original data provider, as recorded by the World Bank: United Nations Population Division. World Population Prospects., United Nations Population Division.

Values are shown as published. Provider terms: The World Bank. All licences: Sources & licences.