Kenya vs Tanzania: Population aged 25-64 years
Kenya
22,224 thousands
in 2025
Tanzania
23,882 thousands
in 2025
Kenya rank
31st
Tanzania rank
28th
Population aged 25-64 years over time
- Kenya
- Tanzania
How they compare
Tanzania currently reports 23,882 thousands against 22,224 thousands in Kenya, a difference of 1,658 thousands.
That makes Tanzania's figure about 1.1 times Kenya's.
Across all 56 years both countries report, Tanzania has been ahead every year.
Kenya ranks 31st and Tanzania ranks 28th of 230 countries.
Tanzania has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Kenya | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3,586 thousands | 5,115 thousands | 1,529 thousands | Tanzania |
| 1980s | 4,935 thousands | 6,916 thousands | 1,980 thousands | Tanzania |
| 1990s | 7,428 thousands | 9,205 thousands | 1,777 thousands | Tanzania |
| 2000s | 10,981 thousands | 12,331 thousands | 1,350 thousands | Tanzania |
| 2010s | 16,165 thousands | 16,555 thousands | 389.11 thousands | Tanzania |
| 2020s | 20,684 thousands | 21,894 thousands | 1,209 thousands | Tanzania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population aged 25-64 years, Kenya or Tanzania?
- Tanzania, at 23,882 thousands against 22,224 thousands in Kenya as of 2025.
- What is the difference in population aged 25-64 years between Kenya and Tanzania?
- 1,658 thousands, with Tanzania ahead.
- How many years of comparable data are there for Kenya and Tanzania?
- 56 years are reported by both, from 1970 to 2025.
- How do Kenya and Tanzania rank globally for population aged 25-64 years?
- Kenya ranks 31st and Tanzania ranks 28th of 230 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Population aged 25-64 years (thousands). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
February 2026 Data Release