Lower middle income Countries Ranked by Median age proxy (age dependency ratio) (2025)
Age dependency ratio: each country's latest value (2020–2025), ranked from highest to lowest. Source: The World Bank (CC BY 4.0).
Summary
Angola ranks #1 with 88.7 dependants per 100 working-age people. Mauritania is second with 83.9 dependants per 100 working-age people, 5.6% behind. The top five are Angola, Mauritania, Tanzania, Benin and Guinea. The median across all 47 is 63.2 dependants per 100 working-age people; Bhutan is last at 37 dependants per 100 working-age people. Angola's figure has fallen 5% since 2001 (93.1 dependants per 100 working-age people to 88.7 dependants per 100 working-age people in 2025).
- #1
- Angola · 88.7 dependants per 100 working-age people
- Median
- 63.2 dependants per 100 working-age people
- Coverage
- 47 Lower middle income countries
- Data year
- 2025
- Last updated
- 2026-11-14
Full ranking
| Rank | Country | Age dependency ratio (dependants per 100 working-age people) |
|---|---|---|
| 1 | Angola | 88.7 |
| 2 | Mauritania | 83.9 |
| 3 | Tanzania | 83.1 |
| 4 | Benin | 79.9 |
| 5 | Guinea | 78.6 |
| 6 | Cameroon | 78.4 |
| 7 | Togo | 78.3 |
| 8 | Zimbabwe | 78.1 |
| 9 | Nigeria | 77.3 |
| 10 | Côte d'Ivoire | 75.8 |
| 11 | Congo, Rep. | 75.5 |
| 12 | Zambia | 75.4 |
| 13 | Vanuatu | 73.4 |
| 14 | West Bank and Gaza | 70.8 |
| 15 | São Tomé and Principe | 70.6 |
| 16 | Senegal | 70.6 |
| 17 | Comoros | 70.4 |
| 18 | Pakistan | 68.4 |
| 19 | Namibia | 67.9 |
| 20 | Solomon Islands | 67.3 |
| 21 | Tajikistan | 66.5 |
| 22 | Kenya | 64.7 |
| 23 | Ghana | 64.5 |
| 24 | Kiribati | 63.2 |
| 25 | Timor-Leste | 62.2 |
| 26 | Lesotho | 61.2 |
| 27 | Kyrgyz Republic | 61 |
| 28 | Uzbekistan | 59.6 |
| 29 | Eswatini | 59.6 |
| 30 | Egypt, Arab Rep. | 58.3 |
| 31 | Papua New Guinea | 58.1 |
| 32 | Lebanon | 56.3 |
| 33 | Cambodia | 55.9 |
| 34 | Haiti | 55.2 |
| 35 | Bolivia | 54.3 |
| 36 | Venezuela, RB | 53.7 |
| 37 | Honduras | 53.4 |
| 38 | Nepal | 53.1 |
| 39 | Lao PDR | 53 |
| 40 | Bangladesh | 52.2 |
| 41 | Nicaragua | 51.5 |
| 42 | Djibouti | 51 |
| 43 | Morocco | 50.7 |
| 44 | Tunisia | 50.4 |
| 45 | Myanmar | 46.2 |
| 46 | India | 46.1 |
| 47 | Bhutan | 37 |
About the top 10
#1 Angola
Angola ranks #1 on this list with 88.7 dependants per 100 working-age people.
- Capital
- Luanda
- Continent
- Africa
- Income group
- Lower middle income
- Population
- 39.04 million people (2025)
- GDP
- US$122.17 billion (2025)
- GDP per person
- US$3,130 (2025)
- Life expectancy
- 64.8 years (2024)
- Urban population
- 71.5% of population (2025)
Largest cities: Luanda, Quilamba Quiaxi.
Also ranks #4 in gini index · #4 in oil rents share of gdp · #5 in income share of richest 10%.
#2 Mauritania
Mauritania ranks #2 on this list with 83.9 dependants per 100 working-age people.
- Capital
- Nouakchott
- Continent
- Africa
- Income group
- Lower middle income
- Population
- 5.32 million people (2025)
- GDP
- US$11.68 billion (2025)
- GDP per person
- US$2,198 (2025)
- Life expectancy
- 68.7 years (2024)
- Urban population
- 61.5% of population (2025)
Largest cities: Nouakchott.
Also ranks #2 in gross capital formation rate · #3 in prevalence of wasting (under-5) · #8 in gender parity index (school enrolment).
#3 Tanzania
Tanzania ranks #3 on this list with 83.1 dependants per 100 working-age people.
- Capital
- Dodoma
- Continent
- Africa
- Income group
- Lower middle income
- Population
- 70.55 million people (2025)
- GDP
- US$90.14 billion (2025)
- GDP per person
- US$1,319 (2025)
- Life expectancy
- 67.2 years (2024)
- Urban population
- 36.9% of population (2025)
Largest cities: Dar es Salaam.
Also ranks #4 in labour force participation rate · #4 in female labour force participation · #5 in livestock production index.
#4 Benin
Benin ranks #4 on this list with 79.9 dependants per 100 working-age people.
- Capital
- Porto-Novo
- Continent
- Africa
- Income group
- Lower middle income
- Population
- 14.81 million people (2025)
- GDP
- US$24.57 billion (2025)
- GDP per person
- US$1,658 (2025)
- Life expectancy
- 61 years (2024)
- Urban population
- 53.4% of population (2025)
Also ranks #8 in maternal mortality ratio · #10 in female labour force participation · #10 in livestock production index.
#5 Guinea
Guinea ranks #5 on this list with 78.6 dependants per 100 working-age people.
- Capital
- Conakry
- Continent
- Africa
- Income group
- Lower middle income
- Population
- 15.1 million people (2025)
- GDP
- US$28.35 billion (2025)
- GDP per person
- US$1,877 (2025)
- Life expectancy
- 60.9 years (2024)
- Urban population
- 38.5% of population (2025)
Largest cities: Conakry.
Also ranks #6 in under-5 mortality rate · #7 in infant mortality rate · #7 in official exchange rate.
#6 Cameroon
Cameroon ranks #6 on this list with 78.4 dependants per 100 working-age people.
- Capital
- Yaoundé
- Continent
- Africa
- Income group
- Lower middle income
- Population
- 29.88 million people (2025)
- GDP
- US$58.93 billion (2025)
- GDP per person
- US$1,972 (2025)
- Life expectancy
- 64 years (2024)
- Urban population
- 55.7% of population (2025)
Largest cities: Douala, Yaoundé, Garoua.
Also ranks #10 in pm2.5 air pollution exposure · #11 in pupil-teacher ratio (primary) · #15 in age dependency ratio (young).
#7 Togo
Togo ranks #7 on this list with 78.3 dependants per 100 working-age people.
- Capital
- Lomé
- Continent
- Africa
- Income group
- Lower middle income
- Population
- 8.59 million people (2025)
- GDP
- US$11.89 billion (2025)
- GDP per person
- US$1,384 (2025)
- Life expectancy
- 62.9 years (2024)
- Urban population
- 44.4% of population (2025)
Largest cities: Lomé.
Also ranks #8 in arable land share · #19 in age dependency ratio · #19 in age dependency ratio (young).
#8 Zimbabwe
Zimbabwe ranks #8 on this list with 78.1 dependants per 100 working-age people.
- Capital
- Harare
- Continent
- Africa
- Income group
- Lower middle income
- Population
- 16.95 million people (2025)
- GDP
- US$51.22 billion (2025)
- GDP per person
- US$3,021 (2025)
- Life expectancy
- 63.1 years (2024)
- Urban population
- 40.5% of population (2025)
Largest cities: Harare, Masvingo.
Also ranks #2 in lending interest rate · #3 in inflation rate · #4 in income share of richest 10%.
#9 Nigeria
Nigeria ranks #9 on this list with 77.3 dependants per 100 working-age people.
- Capital
- Abuja
- Continent
- Africa
- Income group
- Lower middle income
- Population
- 237.53 million people (2025)
- GDP
- US$290.79 billion (2025)
- GDP per person
- US$1,224 (2025)
- Life expectancy
- 54.6 years (2024)
- Urban population
- 63.8% of population (2025)
Largest cities: Lagos, Kano, Port Harcourt.
Also ranks #1 in under-5 mortality rate · #1 in maternal mortality ratio · #1 in children out of school (primary).
#10 Côte d'Ivoire
Côte d'Ivoire ranks #10 on this list with 75.8 dependants per 100 working-age people.
- Capital
- Yamoussoukro
- Continent
- Africa
- Income group
- Lower middle income
- Population
- 32.71 million people (2025)
- GDP
- US$99.77 billion (2025)
- GDP per person
- US$3,050 (2025)
- Life expectancy
- 62.1 years (2024)
- Urban population
- 54.5% of population (2025)
Largest cities: Abidjan.
Also ranks #5 in agricultural land share · #9 in livestock production index · #10 in mobile subscriptions per 100.
Profile facts: World Bank (CC BY 4.0) and Wikidata (CC0); weather links go to Purr Weather, another ChowChow Labs site.
Source and method
Age dependency ratio: each country's latest value (2020–2025), ranked from highest to lowest.
Source: The World Bank, indicator SP.POP.DPND. Licence: CC BY 4.0. Retrieved: 2026-11-14.
The World Bank: Age dependency ratio (% of working-age population): World Population Prospects, United Nations (UN), publisher: UN Population Division (via World Development Indicators)
Original data provider, as recorded by the World Bank: World Population Prospects, United Nations (UN), publisher: UN Population Division; Staff estimates, World Bank (WB).
Values are shown as published. Provider terms: The World Bank. All licences: Sources & licences.