People displaced internally by natural disasters in Tanzania

Tanzania: People displaced internally by natural disasters was 46,000 number of cases in 2023. ◆ Volatile

Latest (2023)
46,000 number of cases
Change on year
up 995.2%
World rank
43rd
of 146 countries
All-time high
56,000 number of cases
in 2020
All-time low
1,900 number of cases
in 2017
Years of data
14
2008–2023

People displaced internally by natural disasters in Tanzania, 2008–2023

020.0k40.0k60.0k2008201520232008: 2.4k number of cases2009: 11.0k number of cases2011: 22.0k number of cases2012: 10.0k number of cases2014: 14.0k number of cases2015: 3.5k number of cases2016: 36.0k number of cases2017: 1.9k number of cases2018: 27.0k number of cases2019: 11.0k number of cases2020: 56.0k number of cases2021: 47.0k number of cases2022: 4.2k number of cases2023: 46.0k number of cases

Source: Internal Displacement Monitoring Centre (IDMC), via World Bank (2026) – processed by Our World in Data. Measured in number of cases.

Analysis

In 2023, people displaced internally by natural disasters in Tanzania stood at 46,000 number of cases.

That represents a change of up 995.2% on the previous year and up 360.0% over ten years.

Over the whole period, people displaced internally by natural disasters in Tanzania peaked at 56,000 number of cases in 2020 and was at its lowest, 1,900 number of cases, in 2017.

Tanzania ranks 43rd of 146 countries on this measure, in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

People displaced internally by natural disasters in Tanzania, year by year

Annual values for People displaced internally by natural disasters in Tanzania, 2008 to 2023.
Year number of cases Change
2008 2,400 number of cases
2009 11,000 number of cases +358.3%
2011 22,000 number of cases +100.0%
2012 10,000 number of cases -54.5%
2014 14,000 number of cases +40.0%
2015 3,500 number of cases -75.0%
2016 36,000 number of cases +928.6%
2017 1,900 number of cases -94.7%
2018 27,000 number of cases +1321.1%
2019 11,000 number of cases -59.3%
2020 56,000 number of cases +409.1%
2021 47,000 number of cases -16.1%
2022 4,200 number of cases -91.1%
2023 46,000 number of cases +995.2%

Tanzania compared with similar countries

  • Tanzania's 46,000 number of cases is above the median for lower middle income countries, which is 9,300 number of cases, 4.9× the median. (39 countries reporting)
  • Tanzania's 46,000 number of cases is above the median for Sub-Saharan Africa, which is 22,500 number of cases, 2.0× the median. (38 countries reporting)

Biggest year-on-year movements

Years where People displaced internally by natural disasters 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.

YearChange FromTo
2018 +1321.1% 1,900 number of cases 27,000 number of cases

Averages by decade

DecadeAverage LowestHighest Years
2000s 6,700 number of cases 2,400 number of cases 11,000 number of cases 2
2010s 15,675 number of cases 1,900 number of cases 36,000 number of cases 8
2020s 38,300 number of cases 4,200 number of cases 56,000 number of cases 4

Countries ranked near Tanzania

  1. 40 Puerto Rico 49,000 number of cases compare
  2. 41 Guatemala 48,000 number of cases compare
  3. 42 Ghana 47,000 number of cases compare
  4. 43 Cambodia 46,000 number of cases compare
  5. 45 Chile 44,000 number of cases compare
  6. 46 Cuba 42,000 number of cases compare
  7. 46 Italy 42,000 number of cases compare

See the full ranking of 146 places →

More reference data data for Tanzania

All data for Tanzania →

Frequently asked questions

What is people displaced internally by natural disasters in Tanzania?
People displaced internally by natural disasters in Tanzania was 46,000 number of cases in 2023, according to Internal Displacement Monitoring Centre (IDMC), via World Bank (2026) – processed by Our World in Data.
What is the highest people displaced internally by natural disasters recorded in Tanzania?
The highest recorded value was 56,000 number of cases in 2020.
What is the lowest people displaced internally by natural disasters recorded in Tanzania?
The lowest recorded value was 1,900 number of cases in 2017.
How does Tanzania rank for people displaced internally by natural disasters?
Tanzania ranks 43rd out of 146 countries with data for 2023.
Is people displaced internally by natural disasters rising or falling in Tanzania?
Over the last ten years it is up 360.0%. The long-run trend across the full record is volatile.
Where does this Tanzania data come from?
The figures come from Internal Displacement Monitoring Centre (IDMC), via World Bank (2026) – processed by Our World in Data, published as part of People displaced internally by natural disasters. Statizoid updates them automatically from the source API.

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People displaced internally by natural disasters in Tanzania. Statizoid, drawing on Internal Displacement Monitoring Centre (IDMC), via World Bank (2026) – processed by Our World in Data. Retrieved 24 September 2026, from https://reference.statizoid.com/stat/internally-displaced-persons-from-disasters/tanzania/

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About this data

Indicator
People displaced internally by natural disasters
Unit
number of cases
Source
Internal Displacement Monitoring Centre (IDMC), via World Bank (2026) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
146 places, 1,631 data points, 2008–2023
Last refreshed

Internally-displaced persons are defined as people or groups of people who have been forced or obliged to flee or to leave their homes or places of habitual residence, as a result of natural or human-made disasters and who have not crossed an international border.