Women who were first married by age 18 in Tanzania

Tanzania: Women who were first married by age 18 was 29.1% in 2022. ▼ Falling

Latest (2022)
29.1%
World rank
14th
of 31 countries
All-time high
41.1%
in 2005
All-time low
29.1%
in 2022
Years of data
10
1992–2022

Women who were first married by age 18 in Tanzania, 1992–2022

0102030401992200720221992: 36.6 % of women ages 20-241996: 38.1 % of women ages 20-241999: 39.3 % of women ages 20-242004: 35.3 % of women ages 20-242005: 41.1 % of women ages 20-242008: 37.8 % of women ages 20-242010: 36.9 % of women ages 20-242012: 31.1 % of women ages 20-242016: 30.5 % of women ages 20-242022: 29.1 % of women ages 20-24

Source: UNICEF Data, UN Children's Fund (UNICEF). Measured in % of women ages 20-24.

Analysis

In 2022, women who were first married by age 18 in Tanzania stood at 29.1%. That is the lowest value across all 10 years on record.

The figure is down 6.4% over ten years.

Over the whole period, women who were first married by age 18 in Tanzania peaked at 41.1% in 2005 and was at its lowest, 29.1%, in 2022.

That places Tanzania 14th out of 31 countries with data for 2022, putting it in the middle of the range.

The long-run direction has been consistently falling across the 10 years of available data.

Women who were first married by age 18 in Tanzania, year by year

Annual values for Women who were first married by age 18 (% of women ages 20-24) in Tanzania, 1992 to 2022.
Year % of women ages 20-24 Change
1992 36.6%
1996 38.1% +4.1%
1999 39.3% +3.1%
2004 35.3% -10.2%
2005 41.1% +16.4%
2008 37.8% -8.0%
2010 36.9% -2.4%
2012 31.1% -15.7%
2016 30.5% -1.9%
2022 29.1% -4.6%

Tanzania compared with similar countries

  • Tanzania's 29.1% is above the median for lower middle income countries, which is 25.8%, 1.1× the median. (17 countries reporting)
  • Tanzania's 29.1% is below the median for Sub-Saharan Africa, which is 30.2%, 96% of the median. (17 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1990s 38.0% 36.6% 39.3% 3
2000s 38.1% 35.3% 41.1% 3
2010s 32.8% 30.5% 36.9% 3
2020s 29.1% 29.1% 29.1% 1

Countries ranked near Tanzania

  1. 11 Dominican Republic 31.5% compare
  2. 12 Senegal 30.2% compare
  3. 13 Cameroon 29.8% compare
  4. 15 Benin 27.5% compare
  5. 16 Cote d'Ivoire 25.8% compare
  6. 17 Zambia 23.9% compare

See the full ranking of 31 places →

More health data for Tanzania

All data for Tanzania →

Frequently asked questions

What is women who were first married by age 18 in Tanzania?
Women who were first married by age 18 in Tanzania was 29.1% in 2022, according to UNICEF Data, UN Children's Fund (UNICEF).
What is the highest women who were first married by age 18 recorded in Tanzania?
The highest recorded value was 41.1% in 2005.
What is the lowest women who were first married by age 18 recorded in Tanzania?
The lowest recorded value was 29.1% in 2022.
How does Tanzania rank for women who were first married by age 18?
Tanzania ranks 14th out of 31 countries with data for 2022.
Is women who were first married by age 18 rising or falling in Tanzania?
Over the last ten years it is down 6.4%. The long-run trend across the full record is falling.
Where does this Tanzania data come from?
The figures come from UNICEF Data, UN Children's Fund (UNICEF), published as part of Women who were first married by age 18 (% of women ages 20-24). Statizoid updates them automatically from the source API.

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Women who were first married by age 18 in Tanzania. Statizoid, drawing on UNICEF Data, UN Children's Fund (UNICEF). Retrieved 18 September 2026, from https://health.statizoid.com/stat/women-who-were-first-married-by-age-18-percent-of-women-ages-20-24/tanzania/

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About this data

Indicator
Women who were first married by age 18 (% of women ages 20-24)
Unit
% of women ages 20-24
Source
UNICEF Data, UN Children's Fund (UNICEF)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
31 places, 217 data points, 1986–2025
Last refreshed

Women who were first married by age 18 refers to the percentage of women ages 20-24 who were first married by age 18.