Population by age group in Tanzania
Tanzania: Population by age group was 2.03 million people in 2023. ◆ Volatile
Population by age group in Tanzania, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in people.
Analysis
In 2023, population by age group in Tanzania stood at 2.03 million people. That is the highest value across all 74 years on record.
That represents a change of up 3.2% on the previous year and up 42.5% over ten years.
Over the whole period, population by age group in Tanzania peaked at 2.03 million people in 2023 and was at its lowest, 167,918 people, in 1950.
Tanzania ranks 51st of 236 countries on this measure, in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 197,721 people | 167,918 people | 229,994 people | 10 |
| 1960s | 280,479 people | 237,898 people | 329,940 people | 10 |
| 1970s | 434,569 people | 344,657 people | 537,690 people | 10 |
| 1980s | 664,802 people | 561,827 people | 756,179 people | 10 |
| 1990s | 856,795 people | 774,537 people | 938,110 people | 10 |
| 2000s | 1.07 million people | 956,595 people | 1.21 million people | 10 |
| 2010s | 1.51 million people | 1.26 million people | 1.78 million people | 10 |
| 2020s | 1.93 million people | 1.84 million people | 2.03 million people | 4 |
Countries ranked near Tanzania
More population data for Tanzania
- Population growth rate, by level of development 0.9% (2100)
- Number of children under 5, by world region 20.58 million people (2100)
- Population density 296.72 people per km² (2100)
- World population growth 0.9% (2100)
- Total fertility rate vs. wanted fertility rate 4.54 births per woman (2024)
- Refugees by country of asylum 176,859 people (2024)
- Fertility rate vs. unmet need for contraception 4.54 births per woman (2024)
- Total fertility rate vs. contraceptive prevalence 4.54 births per woman (2024)
- Natural population growth rate 2.9% (2023)
- Fertility rate: births per woman 4.61 live births per woman (2023)
Frequently asked questions
- What is population by age group in Tanzania?
- Population by age group in Tanzania was 2.03 million people in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest population by age group recorded in Tanzania?
- The highest recorded value was 2.03 million people in 2023.
- What is the lowest population by age group recorded in Tanzania?
- The lowest recorded value was 167,918 people in 1950.
- How does Tanzania rank for population by age group?
- Tanzania ranks 51st out of 236 countries with data for 2023.
- Is population by age group rising or falling in Tanzania?
- Over the last ten years it is up 42.5%. The long-run trend across the full record is volatile.
- Where does this Tanzania data come from?
- The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Population by age group. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 74 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The total population, measured on 1 July of the year shown. This only includes people aged 65+.