Average age of mothers at childbirth in Tanzania
Tanzania: Average age of mothers at childbirth was 28.94 years in 2023. ▬ Flat
Latest (2023)
28.94 years
Change on year
unchanged
World rank
140th
of 236 countries
All-time high
29.82 years
in 1984
All-time low
28.94 years
in 2022
Years of data
74
1950–2023
Average age of mothers at childbirth in Tanzania, 1950–2023
Source: Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in years.
Analysis
The most recent figure for average age of mothers at childbirth in Tanzania is 28.94 years, measured in 2023. That is the lowest value across all 74 years on record.
That represents a change of down 0.3% over ten years.
Over the whole period, average age of mothers at childbirth in Tanzania peaked at 29.82 years in 1984 and was at its lowest, 28.94 years, in 2022.
That places Tanzania 140th out of 236 countries with data for 2023, putting it in the middle of the range.
Average age of mothers at childbirth in Tanzania, year by year
| Year | years | Change |
|---|---|---|
| 1950 | 29.09 years | — |
| 1951 | 29.09 years | +0.0% |
| 1952 | 29.09 years | +0.0% |
| 1953 | 29.09 years | +0.0% |
| 1954 | 29.09 years | +0.0% |
| 1955 | 29.09 years | +0.0% |
| 1956 | 29.09 years | +0.0% |
| 1957 | 29.09 years | +0.0% |
| 1958 | 29.09 years | -0.0% |
| 1959 | 29.08 years | -0.0% |
| 1960 | 29.07 years | -0.0% |
| 1961 | 29.07 years | -0.0% |
| 1962 | 29.07 years | +0.0% |
| 1963 | 29.08 years | +0.0% |
| 1964 | 29.09 years | +0.0% |
| 1965 | 29.13 years | +0.1% |
| 1966 | 29.17 years | +0.1% |
| 1967 | 29.2 years | +0.1% |
| 1968 | 29.23 years | +0.1% |
| 1969 | 29.23 years | -0.0% |
| 1970 | 29.22 years | -0.0% |
| 1971 | 29.21 years | -0.1% |
| 1972 | 29.22 years | +0.0% |
| 1973 | 29.22 years | +0.0% |
| 1974 | 29.25 years | +0.1% |
| 1975 | 29.29 years | +0.1% |
| 1976 | 29.39 years | +0.3% |
| 1977 | 29.46 years | +0.3% |
| 1978 | 29.56 years | +0.3% |
| 1979 | 29.68 years | +0.4% |
| 1980 | 29.73 years | +0.2% |
| 1981 | 29.79 years | +0.2% |
| 1982 | 29.79 years | +0.0% |
| 1983 | 29.79 years | +0.0% |
| 1984 | 29.82 years | +0.1% |
| 1985 | 29.76 years | -0.2% |
| 1986 | 29.7 years | -0.2% |
| 1987 | 29.63 years | -0.2% |
| 1988 | 29.6 years | -0.1% |
| 1989 | 29.58 years | -0.1% |
| 1990 | 29.49 years | -0.3% |
| 1991 | 29.47 years | -0.1% |
| 1992 | 29.53 years | +0.2% |
| 1993 | 29.47 years | -0.2% |
| 1994 | 29.39 years | -0.3% |
| 1995 | 29.31 years | -0.3% |
| 1996 | 29.28 years | -0.1% |
| 1997 | 29.28 years | -0.0% |
| 1998 | 29.26 years | -0.1% |
| 1999 | 29.22 years | -0.1% |
| 2000 | 29.16 years | -0.2% |
| 2001 | 29.14 years | -0.1% |
| 2002 | 29.12 years | -0.1% |
| 2003 | 29.1 years | -0.1% |
| 2004 | 29.09 years | -0.0% |
| 2005 | 29.05 years | -0.1% |
| 2006 | 29.05 years | -0.0% |
| 2007 | 29.06 years | +0.0% |
| 2008 | 29.09 years | +0.1% |
| 2009 | 29.09 years | -0.0% |
| 2010 | 29.09 years | +0.0% |
| 2011 | 29.12 years | +0.1% |
| 2012 | 29.13 years | +0.0% |
| 2013 | 29.04 years | -0.3% |
| 2014 | 28.95 years | -0.3% |
| 2015 | 28.95 years | -0.0% |
| 2016 | 28.95 years | +0.0% |
| 2017 | 28.95 years | +0.0% |
| 2018 | 28.95 years | +0.0% |
| 2019 | 28.94 years | -0.0% |
| 2020 | 28.94 years | +0.0% |
| 2021 | 28.94 years | +0.0% |
| 2022 | 28.94 years | -0.0% |
| 2023 | 28.94 years | +0.0% |
Tanzania compared with similar countries
- Tanzania's 28.94 years is above the median for lower middle income countries, which is 28.56 years, 1.0× the median. (47 countries reporting)
- Tanzania's 28.94 years is above the median for Sub-Saharan Africa, which is 28.9 years, 1.0× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 29.09 years | 29.08 years | 29.09 years | 10 |
| 1960s | 29.13 years | 29.07 years | 29.23 years | 10 |
| 1970s | 29.35 years | 29.21 years | 29.68 years | 10 |
| 1980s | 29.72 years | 29.58 years | 29.82 years | 10 |
| 1990s | 29.37 years | 29.22 years | 29.53 years | 10 |
| 2000s | 29.09 years | 29.05 years | 29.16 years | 10 |
| 2010s | 29 years | 28.94 years | 29.13 years | 10 |
| 2020s | 28.94 years | 28.94 years | 28.94 years | 4 |
Countries ranked near Tanzania
- 137 Central African Republic 28.97 years compare
- 138 Kazakhstan 28.96 years compare
- 139 Indonesia 28.95 years compare
- 140 Namibia 28.94 years compare
- 142 Slovakia 28.92 years compare
- 143 Micronesia (country) 28.91 years compare
More reference data data for Tanzania
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.6405 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 11.44 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 14.14 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.7582 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 14.14 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 2.15 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 1.26 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 59.37 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 72.45 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 4.13 (2050)
Frequently asked questions
- What is average age of mothers at childbirth in Tanzania?
- Average age of mothers at childbirth in Tanzania was 28.94 years in 2023, according to Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest average age of mothers at childbirth recorded in Tanzania?
- The highest recorded value was 29.82 years in 1984.
- What is the lowest average age of mothers at childbirth recorded in Tanzania?
- The lowest recorded value was 28.94 years in 2022.
- How does Tanzania rank for average age of mothers at childbirth?
- Tanzania ranks 140th out of 236 countries with data for 2023.
- Is average age of mothers at childbirth rising or falling in Tanzania?
- Over the last ten years it is down 0.3%. The long-run trend across the full record is flat.
- Where does this Tanzania data come from?
- The figures come from Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Average age of mothers at childbirth. Statizoid updates them automatically from the source API.
Download this data
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About this data
Mean age of mothers at the birth of their children if women were subject throughout their lives to the age-specific fertility rates observed in a given year.