Annual number of people affected by all natural disasters in Tanzania

Tanzania: Annual number of people affected by all natural disasters was 1.80 million people in 2022. ◆ Volatile

Latest (2022)
1.80 million people
Change on year
up 498.4%
World rank
23rd
of 78 countries
All-time high
3.70 million people
in 2006
All-time low
20,000 people
in 1977
Years of data
17
1967–2022

Annual number of people affected by all natural disasters in Tanzania, 1967–2022

01.0M2.0M3.0M4.0M1967199420221967: 53.5k people1977: 20.0k people1984: 1.9M people1991: 399.5k people1992: 400.5k people1996: 601.0k people1997: 599.3k people1998: 599.3k people1999: 599.3k people2000: 601.0k people2003: 560.1k people2004: 1.6M people2006: 3.7M people2011: 294.8k people2012: 705.2k people2021: 300.7k people2022: 1.8M people

Source: EM-DAT, CRED / UCLouvain (2026) – with major processing by Our World in Data. Measured in people.

Analysis

The most recent figure for annual number of people affected by all natural disasters in Tanzania is 1.80 million people, measured in 2022.

The figure is up 498.4% on the previous year and up 155.1% over ten years.

Over the whole period, annual number of people affected by all natural disasters in Tanzania peaked at 3.70 million people in 2006 and was at its lowest, 20,000 people, in 1977.

Tanzania ranks 23rd of 78 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.

Annual number of people affected by all natural disasters in Tanzania, year by year

Annual values for Annual number of people affected by all natural disasters in Tanzania, 1967 to 2022.
Year people Change
1967 53,483 people
1977 20,000 people -62.6%
1984 1.90 million people +9400.0%
1991 399,452 people -79.0%
1992 400,548 people +0.3%
1996 600,985 people +50.0%
1997 599,343 people -0.3%
1998 599,343 people +0.0%
1999 599,343 people +0.0%
2000 600,986 people +0.3%
2003 560,115 people -6.8%
2004 1.59 million people +184.6%
2006 3.70 million people +132.1%
2011 294,797 people -92.0%
2012 705,203 people +139.2%
2021 300,704 people -57.4%
2022 1.80 million people +498.4%

Tanzania compared with similar countries

  • Tanzania's 1.80 million people is above the median for lower middle income countries, which is 933,054 people, 1.9× the median. (26 countries reporting)
  • Tanzania's 1.80 million people is above the median for Sub-Saharan Africa, which is 1.70 million people, 1.1× the median. (33 countries reporting)

Biggest year-on-year movements

Years where Annual number of people affected by all 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
1984 +9400.0% 20,000 people 1.90 million people

Averages by decade

DecadeAverage LowestHighest Years
1960s 53,483 people 53,483 people 53,483 people 1
1970s 20,000 people 20,000 people 20,000 people 1
1980s 1.90 million people 1.90 million people 1.90 million people 1
1990s 533,169 people 399,452 people 600,985 people 6
2000s 1.61 million people 560,115 people 3.70 million people 4
2010s 500,000 people 294,797 people 705,203 people 2
2020s 1.05 million people 300,704 people 1.80 million people 2

Countries ranked near Tanzania

  1. 20 Mozambique 2.06 million people compare
  2. 21 Iran 1.96 million people compare
  3. 22 Afghanistan 1.89 million people compare
  4. 24 Angola 1.77 million people compare
  5. 25 Iraq 1.75 million people compare
  6. 26 Mali 1.74 million people compare

See the full ranking of 78 places →

More reference data data for Tanzania

All data for Tanzania →

Frequently asked questions

What is annual number of people affected by all natural disasters in Tanzania?
Annual number of people affected by all natural disasters in Tanzania was 1.80 million people in 2022, according to EM-DAT, CRED / UCLouvain (2026) – with major processing by Our World in Data.
What is the highest annual number of people affected by all natural disasters recorded in Tanzania?
The highest recorded value was 3.70 million people in 2006.
What is the lowest annual number of people affected by all natural disasters recorded in Tanzania?
The lowest recorded value was 20,000 people in 1977.
How does Tanzania rank for annual number of people affected by all natural disasters?
Tanzania ranks 23rd out of 78 countries with data for 2022.
Is annual number of people affected by all natural disasters rising or falling in Tanzania?
Over the last ten years it is up 155.1%. The long-run trend across the full record is volatile.
Where does this Tanzania data come from?
The figures come from EM-DAT, CRED / UCLouvain (2026) – with major processing by Our World in Data, published as part of Annual number of people affected by all natural disasters. Statizoid updates them automatically from the source API.

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Annual number of people affected by all natural disasters in Tanzania. Statizoid, drawing on EM-DAT, CRED / UCLouvain (2026) – with major processing by Our World in Data. Retrieved 24 September 2026, from https://reference.statizoid.com/stat/natural-disasters-people-affected/tanzania/

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About this data

Indicator
Annual number of people affected by all natural disasters
Unit
people
Source
EM-DAT, CRED / UCLouvain (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
78 places, 1,202 data points, 1900–2025
Last refreshed

Total number of people affected by a natural disaster.