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Tanzania Demographics: Median age, Gender, Religion

Updated on by Georank team

With a population of 68.6M people, Tanzania has a median age of 18.4 years which makes it the 184/196 oldest country. 42.5% of the demographic are children 0-14 years old, 54.4% are working-age people aged 15-64, and 3.05% are older population aged 65+ years.

Median age in Tanzania, 1960–2100

Median age
Factual

UN forecast
Rank
Factual

UN forecast
1x
Year Median age, years Rank
2100 33.2 193
2099 33 193
2098 32.7 193
2097 32.5 193
2096 32.3 193
2095 32.1 193
2094 31.9 193
2093 31.7 193
2092 31.5 193
2091 31.3 193
2090 31 193
2089 30.8 193
2088 30.6 193
2087 30.4 193
2086 30.2 193
2085 30 193
2084 29.8 191
2083 29.6 191
2082 29.4 191
2081 29.1 190
2080 28.9 190
2079 28.7 190
2078 28.5 190
2077 28.3 190
2076 28.1 190
2075 27.8 190
2074 27.6 190
2073 27.4 190
2072 27.2 190
2071 27 190
2070 26.8 190
2069 26.6 190
2068 26.4 190
2067 26.2 191
2066 25.9 191
2065 25.7 191
2064 25.5 191
2063 25.3 191
2062 25.1 191
2061 24.9 191
2060 24.7 191
2059 24.5 191
2058 24.3 191
2057 24.1 190
2056 23.9 190
2055 23.7 190
2054 23.5 190
2053 23.3 190
2052 23.1 189
2051 22.9 189
2050 22.7 189
2049 22.5 189
2048 22.3 189
2047 22.1 189
2046 21.9 189
2045 21.7 189
2044 21.5 189
2043 21.3 189
2042 21.1 189
2041 20.9 189
2040 20.7 189
2039 20.5 189
2038 20.3 189
2037 20.1 189
2036 20 189
2035 19.8 189
2034 19.6 189
2033 19.5 189
2032 19.3 188
2031 19.2 187
2030 19.1 187
2029 18.9 185
2028 18.8 185
2027 18.7 185
2026 18.6 185
2025 18.4 185
2024 18.4 184
2023 18.3 184
2022 18.2 183
2021 18.1 183
2020 18 182
2019 17.9 180
2018 17.9 180
2017 17.8 181
2016 17.6 182
2015 17.5 182
2014 17.4 183
2013 17.3 183
2012 17.3 183
2011 17.2 182
2010 17.2 183
2009 17.2 182
2008 17.3 178
2007 17.3 177
2006 17.4 176
2005 17.4 173
2004 17.4 171
2003 17.4 169
2002 17.5 168
2001 17.5 168
2000 17.4 167
1999 17.4 167
1998 17.3 167
1997 17.3 166
1996 17.4 163
1995 17.4 160
1994 17.3 163
1993 17 172
1992 16.8 176
1991 16.7 175
1990 16.7 175
1989 16.6 175
1988 16.6 176
1987 16.5 176
1986 16.4 178
1985 16.3 183
1984 16.2 183
1983 16.2 183
1982 16.3 180
1981 16.4 180
1980 16.5 176
1979 16.6 171
1978 16.7 168
1977 16.8 166
1976 16.8 165
1975 16.9 166
1974 16.9 162
1973 17 159
1972 17 157
1971 17 156
1970 17.1 155
1969 17.1 153
1968 17.1 150
1967 17.2 150
1966 17.2 149
1965 17.3 149
1964 17.4 149
1963 17.4 151
1962 17.4 154
1961 17.4 161
1960 17.4 165

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10).

GeoRank.org/demographics/tanzania | CC BY

In 1960, the median age in Tanzania was 17.4 years compared to the world's average of 22.5 years. As of 2024, the median age had increased to 18.4 years, compared with the average of 31.6 years in other countries. Ranked 165th for median age 64 years ago (old to young), Tanzania ranks 184th currently.

According to the United Nations projections, the median age in Tanzania is expected to increase to 33.2 years by 2100. The aging demographics forecast is based on previous years' birth rates and increasing life expectancy.

Tanzania demographic data

Tanzania Rank
Population
73145892
22/197
Median age 18.4 years 184/196
Average age 22.7 years 184/196
Age dependency ratio 83.8% 13/196
Young-age dependency ratio 78.2% 13/196
Old-age dependency ratio 5.6% 165/196
Male:Female ratio 49.6:50.4 N/A
Population density 81.9 ppl/mi² 106/197
Fertility rate 4.61 12/196
Life expectancy 67.6 years 155/197

Demographic pyramid: age and gender distribution

Tanzania
Male

Female
Age range Share of population
Tanzania
Male Female
80+ 0.16% 0.29%
75-79 0.23% 0.33%
70-74 0.35% 0.51%
65-69 0.47% 0.7%
60-64 0.63% 0.82%
55-59 0.96% 1.04%
50-54 1.4% 1.45%
45-49 1.78% 1.9%
40-44 2.17% 2.32%
35-39 2.65% 2.76%
30-34 3.22% 3.25%
25-29 3.94% 3.93%
20-24 4.65% 4.64%
15-19 5.47% 5.43%
10-14 6.16% 6.07%
5-9 7.19% 7.04%
0-4 8.13% 7.94%

Data sources: World Bank | Health (2024, retrieved 2026-04-06).

GeoRank.org/demographics/tanzania | CC BY

The chart above is a variation of the population pyramid and represents the age and gender structure. Tanzania has high demographic potential with 77.1% of people in the 0-34 age group (ranked 12/196).

Working-age demographic by year

Tanzania
Factual

UN forecast
World
Factual

UN forecast
1x
Year Working age share
Tanzania World
2100 63.6% 59.6%
2099 63.7% 59.6%
2098 63.7% 59.7%
2097 63.8% 59.7%
2096 63.8% 59.7%
2095 63.8% 59.7%
2094 63.9% 59.7%
2093 63.9% 59.8%
2092 63.9% 59.8%
2091 64% 59.8%
2090 64% 59.8%
2089 64% 59.8%
2088 64% 59.8%
2087 64.1% 59.8%
2086 64.1% 59.8%
2085 64.1% 59.9%
2084 64.1% 59.9%
2083 64.1% 60%
2082 64.1% 60.1%
2081 64.1% 60.3%
2080 64% 60.4%
2079 64% 60.6%
2078 64% 60.7%
2077 63.9% 60.9%
2076 63.8% 61%
2075 63.8% 61.1%
2074 63.7% 61.3%
2073 63.6% 61.4%
2072 63.6% 61.5%
2071 63.5% 61.6%
2070 63.5% 61.7%
2069 63.4% 61.8%
2068 63.3% 61.9%
2067 63.2% 62%
2066 63.1% 62%
2065 63% 62.1%
2064 62.9% 62.1%
2063 62.8% 62.1%
2062 62.7% 62.2%
2061 62.5% 62.2%
2060 62.4% 62.3%
2059 62.3% 62.3%
2058 62.1% 62.4%
2057 61.9% 62.4%
2056 61.8% 62.5%
2055 61.6% 62.7%
2054 61.4% 62.8%
2053 61.2% 62.9%
2052 61.1% 63.1%
2051 60.9% 63.2%
2050 60.7% 63.4%
2049 60.5% 63.5%
2048 60.3% 63.6%
2047 60.1% 63.8%
2046 59.9% 63.9%
2045 59.7% 64%
2044 59.5% 64.1%
2043 59.2% 64.2%
2042 59% 64.3%
2041 58.8% 64.4%
2040 58.5% 64.5%
2039 58.3% 64.7%
2038 58% 64.8%
2037 57.8% 64.9%
2036 57.5% 65.1%
2035 57.2% 65.2%
2034 56.9% 65.3%
2033 56.6% 65.4%
2032 56.2% 65.4%
2031 56% 65.4%
2030 55.7% 65.4%
2029 55.4% 65.4%
2028 55.1% 65.4%
2027 54.9% 65.4%
2026 54.7% 65.2%
2025 54.5% 65.1%
2024 54.4% 65.1%
2023 54.2% 65%
2022 54% 64.9%
2021 53.8% 64.9%
2020 53.6% 64.8%
2019 53.4% 64.9%
2018 53.3% 64.9%
2017 53.1% 65%
2016 52.8% 65.1%
2015 52.5% 65.1%
2014 52.3% 65.2%
2013 52.2% 65.2%
2012 52% 65.2%
2011 51.9% 65.2%
2010 51.9% 65.1%
2009 52% 65%
2008 52.1% 64.9%
2007 52.2% 64.7%
2006 52.3% 64.5%
2005 52.4% 64.3%
2004 52.5% 64%
2003 52.6% 63.7%
2002 52.7% 63.4%
2001 52.7% 63.1%
2000 52.7% 62.8%
1999 52.5% 62.5%
1998 52.4% 62.2%
1997 52.3% 61.9%
1996 52.5% 61.7%
1995 52.6% 61.5%
1994 52.3% 61.3%
1993 51.5% 61.2%
1992 51.1% 61.1%
1991 50.9% 61%
1990 50.7% 60.9%
1989 50.5% 60.8%
1988 50.3% 60.7%
1987 50.1% 60.5%
1986 49.8% 60.4%
1985 49.6% 60.1%
1984 49.5% 59.9%
1983 49.4% 59.6%
1982 49.5% 59.3%
1981 49.7% 59%
1980 49.9% 58.7%
1979 50.2% 58.4%
1978 50.5% 58%
1977 50.6% 57.7%
1976 50.8% 57.5%
1975 50.9% 57.4%
1974 51% 57.3%
1973 51.2% 57.3%
1972 51.3% 57.2%
1971 51.4% 57.1%
1970 51.5% 57%
1969 51.6% 56.9%
1968 51.7% 56.9%
1967 51.9% 56.9%
1966 52.1% 56.8%
1965 52.4% 56.9%
1964 52.6% 57%
1963 52.7% 57.2%
1962 52.8% 57.4%
1961 52.7% 57.5%
1960 52.7% 57.6%

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10).

GeoRank.org/demographics/tanzania | CC BY

The share of working-age demographics aged 15-64 in Tanzania changed from 52.5% to 54.4% between 2004 and 2024.

Age dependency by year

Age dependency
Young
Old
1x
Year Age dependency ratio
Total Young Old
2024 83.8% 78.2% 5.6%
2023 84.4% 78.8% 5.61%
2022 85% 79.4% 5.62%
2021 85.7% 80.1% 5.62%
2020 86.5% 80.9% 5.63%
2019 87.2% 81.6% 5.62%
2018 87.8% 82.2% 5.6%
2017 88.4% 82.8% 5.59%
2016 89.3% 83.7% 5.6%
2015 90.4% 84.8% 5.61%
2014 91.2% 85.6% 5.61%
2013 91.8% 86.2% 5.59%
2012 92.2% 86.7% 5.54%
2011 92.6% 87.1% 5.48%
2010 92.8% 87.4% 5.42%
2009 92.5% 87.1% 5.34%
2008 91.8% 86.6% 5.27%
2007 91.4% 86.2% 5.23%
2006 91.1% 85.9% 5.21%
2005 90.7% 85.5% 5.21%
2004 90.3% 85.1% 5.21%
2003 90.1% 84.8% 5.22%
2002 89.9% 84.6% 5.24%
2001 89.8% 84.5% 5.26%
2000 89.9% 84.6% 5.3%
1999 90.4% 85% 5.36%
1998 90.7% 85.3% 5.41%
1997 91.1% 85.6% 5.46%
1996 90.6% 85.2% 5.45%
1995 90% 84.5% 5.42%
1994 91.4% 85.9% 5.51%
1993 94.1% 88.4% 5.68%
1992 95.8% 90% 5.79%
1991 96.5% 90.7% 5.82%
1990 97.2% 91.4% 5.85%
1989 98% 92.1% 5.89%
1988 98.6% 92.7% 5.92%
1987 99.6% 93.6% 5.98%
1986 100.8% 94.7% 6.05%
1985 101.7% 95.6% 6.1%
1984 102.2% 96.1% 6.11%
1983 102.3% 96.2% 6.1%
1982 102.1% 96.1% 6.06%
1981 101.4% 95.4% 5.97%
1980 100.3% 94.5% 5.87%
1979 99.2% 93.4% 5.76%
1978 98.2% 92.6% 5.66%
1977 97.5% 91.9% 5.56%
1976 97% 91.5% 5.46%
1975 96.4% 91.1% 5.37%
1974 95.9% 90.6% 5.27%
1973 95.4% 90.2% 5.18%
1972 95% 89.9% 5.1%
1971 94.7% 89.7% 5.03%
1970 94.2% 89.3% 4.96%
1969 93.8% 88.9% 4.9%
1968 93.4% 88.5% 4.86%
1967 92.8% 88% 4.82%
1966 91.8% 87.1% 4.77%
1965 90.9% 86.2% 4.72%
1964 90.1% 85.5% 4.67%
1963 89.7% 85% 4.63%
1962 89.5% 84.9% 4.6%
1961 89.6% 85% 4.58%
1960 89.8% 85.2% 4.56%

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/demographics/tanzania | CC BY

Age dependency is the ratio of people not in the labor force (children under 15 and adults 64+) to people aged 15 to 64. Age dependency in Tanzania decreased from 90.3% to 83.8% between 2004 and 2024 with a decreased share of children and an increased proportion of people aged 65+

Share of young demographic (0-14 years) by year

Tanzania
Factual

UN forecast
World
Factual

UN forecast
1x
Year Share of 0-14
Tanzania World
2100 23.4% 16.5%
2099 23.6% 16.6%
2098 23.8% 16.6%
2097 23.9% 16.7%
2096 24.1% 16.8%
2095 24.3% 16.8%
2094 24.5% 16.9%
2093 24.7% 17%
2092 24.8% 17%
2091 25% 17.1%
2090 25.2% 17.2%
2089 25.4% 17.2%
2088 25.6% 17.3%
2087 25.8% 17.4%
2086 26% 17.4%
2085 26.2% 17.5%
2084 26.4% 17.5%
2083 26.6% 17.6%
2082 26.8% 17.7%
2081 27.1% 17.7%
2080 27.3% 17.8%
2079 27.5% 17.8%
2078 27.7% 17.9%
2077 28% 17.9%
2076 28.2% 18%
2075 28.4% 18%
2074 28.7% 18.1%
2073 28.9% 18.2%
2072 29.1% 18.2%
2071 29.4% 18.3%
2070 29.6% 18.3%
2069 29.8% 18.4%
2068 30.1% 18.5%
2067 30.3% 18.6%
2066 30.6% 18.6%
2065 30.8% 18.7%
2064 31.1% 18.8%
2063 31.3% 18.9%
2062 31.6% 19.1%
2061 31.9% 19.2%
2060 32.1% 19.3%
2059 32.4% 19.4%
2058 32.7% 19.5%
2057 32.9% 19.6%
2056 33.2% 19.8%
2055 33.5% 19.9%
2054 33.8% 20%
2053 34.1% 20.1%
2052 34.3% 20.2%
2051 34.6% 20.3%
2050 34.9% 20.4%
2049 35.2% 20.5%
2048 35.5% 20.6%
2047 35.8% 20.7%
2046 36.1% 20.8%
2045 36.4% 20.9%
2044 36.7% 20.9%
2043 37% 21%
2042 37.3% 21.1%
2041 37.6% 21.2%
2040 37.9% 21.2%
2039 38.3% 21.3%
2038 38.6% 21.4%
2037 39% 21.5%
2036 39.3% 21.6%
2035 39.6% 21.8%
2034 40% 22%
2033 40.3% 22.2%
2032 40.7% 22.4%
2031 41% 22.7%
2030 41.3% 23%
2029 41.6% 23.3%
2028 41.8% 23.6%
2027 42.1% 23.9%
2026 42.2% 24.2%
2025 42.4% 24.6%
2024 42.5% 24.7%
2023 42.7% 25%
2022 42.9% 25.3%
2021 43.1% 25.6%
2020 43.4% 25.8%
2019 43.6% 26%
2018 43.8% 26.2%
2017 44% 26.4%
2016 44.2% 26.5%
2015 44.5% 26.6%
2014 44.8% 26.8%
2013 44.9% 26.9%
2012 45.1% 27%
2011 45.2% 27.1%
2010 45.3% 27.3%
2009 45.3% 27.5%
2008 45.1% 27.6%
2007 45% 27.9%
2006 44.9% 28.1%
2005 44.8% 28.5%
2004 44.7% 28.8%
2003 44.6% 29.2%
2002 44.6% 29.6%
2001 44.5% 30%
2000 44.6% 30.4%
1999 44.7% 30.8%
1998 44.7% 31.1%
1997 44.8% 31.5%
1996 44.7% 31.8%
1995 44.5% 32.1%
1994 44.9% 32.3%
1993 45.5% 32.5%
1992 46% 32.7%
1991 46.2% 32.9%
1990 46.3% 33%
1989 46.5% 33.2%
1988 46.7% 33.4%
1987 46.9% 33.6%
1986 47.2% 33.8%
1985 47.4% 34%
1984 47.5% 34.3%
1983 47.6% 34.6%
1982 47.5% 34.9%
1981 47.4% 35.2%
1980 47.2% 35.5%
1979 46.9% 35.9%
1978 46.7% 36.3%
1977 46.6% 36.7%
1976 46.5% 36.9%
1975 46.4% 37.1%
1974 46.3% 37.2%
1973 46.2% 37.3%
1972 46.1% 37.5%
1971 46.1% 37.6%
1970 46% 37.7%
1969 45.9% 37.8%
1968 45.8% 37.9%
1967 45.6% 38%
1966 45.4% 38%
1965 45.2% 38%
1964 45% 38%
1963 44.8% 37.8%
1962 44.8% 37.6%
1961 44.8% 37.5%
1960 44.9% 37.4%

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10).

GeoRank.org/demographics/tanzania | CC BY

The share of children aged 0-14 in Tanzania decreased from 44.7% to 42.5% between 2004 and 2024 due to changes in birth rates.

Share of old population (65+) by year

Tanzania
Factual

UN forecast
World
Factual

UN forecast
1x
Year Share of 65+ years old
Tanzania World
2100 13% 23.9%
2099 12.7% 23.8%
2098 12.5% 23.7%
2097 12.3% 23.6%
2096 12.1% 23.5%
2095 11.9% 23.4%
2094 11.7% 23.4%
2093 11.5% 23.3%
2092 11.2% 23.2%
2091 11% 23.1%
2090 10.8% 23.1%
2089 10.6% 23%
2088 10.4% 22.9%
2087 10.1% 22.8%
2086 9.93% 22.7%
2085 9.71% 22.6%
2084 9.5% 22.5%
2083 9.28% 22.4%
2082 9.07% 22.2%
2081 8.86% 22%
2080 8.67% 21.8%
2079 8.48% 21.6%
2078 8.29% 21.4%
2077 8.12% 21.2%
2076 7.96% 21%
2075 7.79% 20.8%
2074 7.62% 20.6%
2073 7.46% 20.4%
2072 7.29% 20.3%
2071 7.11% 20.1%
2070 6.94% 19.9%
2069 6.77% 19.8%
2068 6.6% 19.6%
2067 6.45% 19.5%
2066 6.3% 19.3%
2065 6.15% 19.2%
2064 6.01% 19.1%
2063 5.87% 18.9%
2062 5.73% 18.8%
2061 5.59% 18.6%
2060 5.46% 18.5%
2059 5.34% 18.3%
2058 5.23% 18.1%
2057 5.12% 17.9%
2056 5.01% 17.7%
2055 4.91% 17.5%
2054 4.8% 17.2%
2053 4.7% 17%
2052 4.6% 16.7%
2051 4.5% 16.4%
2050 4.4% 16.2%
2049 4.31% 16%
2048 4.22% 15.8%
2047 4.12% 15.5%
2046 4.04% 15.3%
2045 3.95% 15.1%
2044 3.86% 14.9%
2043 3.77% 14.8%
2042 3.69% 14.6%
2041 3.6% 14.4%
2040 3.52% 14.2%
2039 3.44% 14%
2038 3.36% 13.8%
2037 3.29% 13.5%
2036 3.22% 13.3%
2035 3.17% 13%
2034 3.12% 12.7%
2033 3.08% 12.4%
2032 3.05% 12.2%
2031 3.03% 11.9%
2030 3.03% 11.6%
2029 3.02% 11.3%
2028 3.03% 11%
2027 3.03% 10.7%
2026 3.04% 10.5%
2025 3.04% 10.3%
2024 3.05% 10.2%
2023 3.04% 9.98%
2022 3.04% 9.74%
2021 3.03% 9.53%
2020 3.02% 9.33%
2019 3% 9.1%
2018 2.98% 8.88%
2017 2.97% 8.65%
2016 2.96% 8.45%
2015 2.95% 8.26%
2014 2.94% 8.08%
2013 2.91% 7.92%
2012 2.88% 7.78%
2011 2.84% 7.66%
2010 2.81% 7.58%
2009 2.77% 7.52%
2008 2.75% 7.47%
2007 2.73% 7.41%
2006 2.73% 7.34%
2005 2.73% 7.26%
2004 2.74% 7.18%
2003 2.75% 7.1%
2002 2.76% 7.01%
2001 2.77% 6.92%
2000 2.79% 6.84%
1999 2.82% 6.76%
1998 2.84% 6.68%
1997 2.86% 6.61%
1996 2.86% 6.53%
1995 2.85% 6.45%
1994 2.88% 6.37%
1993 2.93% 6.29%
1992 2.95% 6.21%
1991 2.96% 6.14%
1990 2.97% 6.07%
1989 2.97% 6.01%
1988 2.98% 5.95%
1987 3% 5.91%
1986 3.01% 5.86%
1985 3.02% 5.82%
1984 3.02% 5.8%
1983 3.01% 5.79%
1982 3% 5.8%
1981 2.96% 5.81%
1980 2.93% 5.81%
1979 2.89% 5.77%
1978 2.86% 5.71%
1977 2.82% 5.65%
1976 2.77% 5.59%
1975 2.73% 5.53%
1974 2.69% 5.47%
1973 2.65% 5.42%
1972 2.62% 5.37%
1971 2.58% 5.32%
1970 2.55% 5.28%
1969 2.53% 5.24%
1968 2.51% 5.2%
1967 2.5% 5.16%
1966 2.49% 5.12%
1965 2.47% 5.08%
1964 2.46% 5.04%
1963 2.44% 5.02%
1962 2.43% 5.01%
1961 2.42% 4.99%
1960 2.4% 4.97%

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10).

GeoRank.org/demographics/tanzania | CC BY

The share of older people aged 65 and over in Tanzania increased from 2.74% to 3.05% between 2004 and 2024.

Religion demographics

Tanzania
Religion Share of population
Christianity 64.7%
Islam 29.9%
Atheism 3.48%
Hinduism 0.006%
Buddhism 0.0002%
Judaism 0.0002%
All other 1.96%

Median age map

1x

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); U.S. Census Bureau (1960–2024, retrieved 2026-02-08).

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Data sources:

  1. World Bank | Health (1960–2024, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1950–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2024, retrieved 2026-02-08)
  4. Pew Research Center (2020, retrieved 2026-02-08)

Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.