Inequality in life expectancy in Tanzania
Tanzania: Inequality in life expectancy was 0.1989 in 2023. ▼ Falling
Inequality in life expectancy in Tanzania, 2010–2023
Source: UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
Analysis
In 2023, inequality in life expectancy in Tanzania stood at 0.1989. That is the lowest value across all 14 years on record.
That represents a change of down 3.1% on the previous year and down 24.6% over ten years.
Over the whole period, inequality in life expectancy in Tanzania peaked at 0.288 in 2010 and was at its lowest, 0.1989, in 2023.
That places Tanzania 44th out of 195 countries with data for 2023, putting it in the top quarter.
The long-run direction has been consistently falling across the 14 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 0.2531 | 0.2214 | 0.288 | 10 |
| 2020s | 0.2069 | 0.1989 | 0.2141 | 4 |
Countries ranked near Tanzania
More health data for Tanzania
- Estimated changes in temperature-related death rates compared to projected death rates 658.6 deaths per 1,000 people (2090)
- Number of infants who die before age 1 32,514 deaths (2100)
- Deaths in armed conflicts based on where they occurred 0 deaths (2026)
- Deaths in armed conflicts by region 0 deaths (2026)
- Age population, age 25, male, interpolated 593,624 (2025)
- Age population, age 25, female, interpolated 593,004 (2025)
- Age population, age 24, male, interpolated 612,788 (2025)
- Age population, age 24, female, interpolated 612,341 (2025)
- Age population, age 23, male, interpolated 632,568 (2025)
- Age population, age 23, female, interpolated 632,033 (2025)
Frequently asked questions
- What is inequality in life expectancy in Tanzania?
- Inequality in life expectancy in Tanzania was 0.1989 in 2023, according to UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
- What is the highest inequality in life expectancy recorded in Tanzania?
- The highest recorded value was 0.288 in 2010.
- What is the lowest inequality in life expectancy recorded in Tanzania?
- The lowest recorded value was 0.1989 in 2023.
- How does Tanzania rank for inequality in life expectancy?
- Tanzania ranks 44th out of 195 countries with data for 2023.
- Is inequality in life expectancy rising or falling in Tanzania?
- Over the last ten years it is down 24.6%. The long-run trend across the full record is falling.
- Where does this Tanzania data come from?
- The figures come from UNDP, Human Development Report (2025) – with minor processing by Our World in Data, published as part of Inequality in life expectancy. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 14 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The Atkinson index measures inequality on a scale from 0 to 1. Higher values indicate higher inequality. Inequality is measured here in terms of the number of years a newborn would live if age-specific mortality rates in the current year were to stay the same throughout its life.