Sex ratio by age in Tanzania
Tanzania: Sex ratio by age was 9.24 males per 100 females in 2023. ▼ Falling
Latest (2023)
9.24 males per 100 females
Change on year
down 5.2%
World rank
171st
of 212 countries
All-time high
40 males per 100 females
in 1974
All-time low
0 males per 100 females
in 1954
Years of data
74
1950–2023
Sex ratio by age in Tanzania, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in males per 100 females.
Analysis
Tanzania recorded 9.24 males per 100 females for sex ratio by age in 2023.
The figure is down 5.2% on the previous year and down 30.2% over ten years.
Over the whole period, sex ratio by age in Tanzania peaked at 40 males per 100 females in 1974 and was at its lowest, 0 males per 100 females, in 1954.
Tanzania ranks 171st of 212 countries on this measure, in the bottom quarter.
The long-run direction has been consistently falling across the 74 years of available data.
Sex ratio by age in Tanzania, year by year
| Year | males per 100 females | Change |
|---|---|---|
| 1950 | 25 males per 100 females | — |
| 1951 | 25 males per 100 females | +0.0% |
| 1952 | 25 males per 100 females | +0.0% |
| 1953 | 25 males per 100 females | +0.0% |
| 1954 | 0 males per 100 females | -100.0% |
| 1955 | 0 males per 100 females | — |
| 1956 | 33.33 males per 100 females | — |
| 1957 | 33.33 males per 100 females | +0.0% |
| 1958 | 25 males per 100 females | -25.0% |
| 1959 | 25 males per 100 females | +0.0% |
| 1960 | 25 males per 100 females | +0.0% |
| 1961 | 25 males per 100 females | +0.0% |
| 1962 | 25 males per 100 females | +0.0% |
| 1963 | 25 males per 100 females | +0.0% |
| 1964 | 25 males per 100 females | +0.0% |
| 1965 | 25 males per 100 females | +0.0% |
| 1966 | 25 males per 100 females | +0.0% |
| 1967 | 25 males per 100 females | +0.0% |
| 1968 | 20 males per 100 females | -20.0% |
| 1969 | 33.33 males per 100 females | +66.7% |
| 1970 | 33.33 males per 100 females | +0.0% |
| 1971 | 28.57 males per 100 females | -14.3% |
| 1972 | 37.5 males per 100 females | +31.3% |
| 1973 | 33.33 males per 100 females | -11.1% |
| 1974 | 40 males per 100 females | +20.0% |
| 1975 | 36.36 males per 100 females | -9.1% |
| 1976 | 33.33 males per 100 females | -8.3% |
| 1977 | 30.77 males per 100 females | -7.7% |
| 1978 | 28.57 males per 100 females | -7.1% |
| 1979 | 33.33 males per 100 females | +16.7% |
| 1980 | 37.5 males per 100 females | +12.5% |
| 1981 | 33.33 males per 100 females | -11.1% |
| 1982 | 30 males per 100 females | -10.0% |
| 1983 | 31.82 males per 100 females | +6.1% |
| 1984 | 33.33 males per 100 females | +4.8% |
| 1985 | 29.63 males per 100 females | -11.1% |
| 1986 | 27.59 males per 100 females | -6.9% |
| 1987 | 28.12 males per 100 females | +2.0% |
| 1988 | 27.78 males per 100 females | -1.2% |
| 1989 | 27.5 males per 100 females | -1.0% |
| 1990 | 27.27 males per 100 females | -0.8% |
| 1991 | 24.49 males per 100 females | -10.2% |
| 1992 | 25 males per 100 females | +2.1% |
| 1993 | 26.32 males per 100 females | +5.3% |
| 1994 | 23.44 males per 100 females | -10.9% |
| 1995 | 22.86 males per 100 females | -2.5% |
| 1996 | 20.51 males per 100 females | -10.3% |
| 1997 | 20.93 males per 100 females | +2.0% |
| 1998 | 20.21 males per 100 females | -3.4% |
| 1999 | 19.23 males per 100 females | -4.9% |
| 2000 | 19.13 males per 100 females | -0.5% |
| 2001 | 18.25 males per 100 females | -4.6% |
| 2002 | 17.86 males per 100 females | -2.2% |
| 2003 | 17.31 males per 100 females | -3.1% |
| 2004 | 16.67 males per 100 females | -3.7% |
| 2005 | 15.98 males per 100 females | -4.1% |
| 2006 | 15.74 males per 100 females | -1.5% |
| 2007 | 15.23 males per 100 females | -3.3% |
| 2008 | 15.07 males per 100 females | -1.0% |
| 2009 | 14.85 males per 100 females | -1.5% |
| 2010 | 14.29 males per 100 females | -3.8% |
| 2011 | 13.98 males per 100 females | -2.2% |
| 2012 | 13.59 males per 100 females | -2.8% |
| 2013 | 13.24 males per 100 females | -2.6% |
| 2014 | 12.96 males per 100 females | -2.2% |
| 2015 | 12.36 males per 100 females | -4.6% |
| 2016 | 12 males per 100 females | -2.9% |
| 2017 | 11.76 males per 100 females | -2.0% |
| 2018 | 11.41 males per 100 females | -2.9% |
| 2019 | 10.85 males per 100 females | -5.0% |
| 2020 | 10.27 males per 100 females | -5.3% |
| 2021 | 9.92 males per 100 females | -3.4% |
| 2022 | 9.75 males per 100 females | -1.7% |
| 2023 | 9.24 males per 100 females | -5.2% |
Tanzania compared with similar countries
- Tanzania's 9.24 males per 100 females is below the median for lower middle income countries, which is 25.49 males per 100 females, 36% of the median. (44 countries reporting)
- Tanzania's 9.24 males per 100 females is below the median for Sub-Saharan Africa, which is 30.72 males per 100 females, 30% of the median. (46 countries reporting)
Biggest year-on-year movements
Years where Sex ratio by age in Tanzania changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1954 | -100.0% | 25 males per 100 females | 0 males per 100 females |
| 1969 | +66.7% | 20 males per 100 females | 33.33 males per 100 females |
| 1972 | +31.3% | 28.57 males per 100 females | 37.5 males per 100 females |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 21.67 males per 100 females | 0 males per 100 females | 33.33 males per 100 females | 10 |
| 1960s | 25.33 males per 100 females | 20 males per 100 females | 33.33 males per 100 females | 10 |
| 1970s | 33.51 males per 100 females | 28.57 males per 100 females | 40 males per 100 females | 10 |
| 1980s | 30.66 males per 100 females | 27.5 males per 100 females | 37.5 males per 100 females | 10 |
| 1990s | 23.03 males per 100 females | 19.23 males per 100 females | 27.27 males per 100 females | 10 |
| 2000s | 16.61 males per 100 females | 14.85 males per 100 females | 19.13 males per 100 females | 10 |
| 2010s | 12.64 males per 100 females | 10.85 males per 100 females | 14.29 males per 100 females | 10 |
| 2020s | 9.79 males per 100 females | 9.24 males per 100 females | 10.27 males per 100 females | 4 |
Countries ranked near Tanzania
- 168 Uzbekistan 9.7 males per 100 females compare
- 169 El Salvador 9.68 males per 100 females compare
- 170 Honduras 9.52 males per 100 females compare
- 172 North Korea 8.47 males per 100 females compare
- 173 Ukraine 8.28 males per 100 females compare
- 174 Democratic Republic of Congo 8.24 males per 100 females compare
More gender data for Tanzania
- Child population (UN estimates and projections) 33,294 (2030)
- Child population (UN estimates and projections) (0-14), annual growth 2.01 % change on previous year (2030)
- Population 47,619 (2030)
- Working-age population (UN estimates and projections) 47,619 (2030)
- Population (UN estimates and projections), annual growth rate 3.22 % change on previous year (2030)
- Age population, age 00, female, interpolated 1.16 million (2025)
- Age population, age 00, male, interpolated 1.19 million (2025)
- Age population, age 01, female, interpolated 1.13 million (2025)
- Age population, age 01, male, interpolated 1.16 million (2025)
- Age population, age 02, female, interpolated 1.11 million (2025)
Frequently asked questions
- What is sex ratio by age in Tanzania?
- Sex ratio by age in Tanzania was 9.24 males per 100 females in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest sex ratio by age recorded in Tanzania?
- The highest recorded value was 40 males per 100 females in 1974.
- What is the lowest sex ratio by age recorded in Tanzania?
- The lowest recorded value was 0 males per 100 females in 1954.
- How does Tanzania rank for sex ratio by age?
- Tanzania ranks 171st out of 212 countries with data for 2023.
- Is sex ratio by age rising or falling in Tanzania?
- Over the last ten years it is down 30.2%. The long-run trend across the full record is falling.
- 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 Sex ratio by age. Statizoid updates them automatically from the source API.
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About this data
Number of males per 100 females at age 100+.