Lakes and rivers seasonal water area change in United Republic of Tanzania

United Republic of Tanzania: Lakes and rivers seasonal water area change was 47.0% in 2022. ◆ Volatile

Latest (2022)
47.0%
Change on year
down 10.5%
World rank
147th
of 247 countries
All-time high
52.5%
in 2021
All-time low
-12.0%
in 2008
Years of data
18
2005–2022

Lakes and rivers seasonal water area change in United Republic of Tanzania, 2005–2022

-2002040602005201320222005: 2.92006: -5.12007: -11.62008: -122009: -6.22010: -0.2892011: 4.52012: 52013: -1.92014: -4.12015: 0.0532016: 5.52017: 212018: 29.12019: 38.42020: 412021: 52.52022: 47

Source: United Nations Statistics Division, SDG Global Database.

Analysis

United Republic of Tanzania recorded 47.0% for lakes and rivers seasonal water area change in 2022.

Compared with earlier readings it is down 10.5% on the previous year and up 841.3% over ten years.

Over the whole period, lakes and rivers seasonal water area change in United Republic of Tanzania peaked at 52.5% in 2021 and was at its lowest, -12.0%, in 2008.

That places United Republic of Tanzania 147th out of 247 countries with data for 2022, putting it in the middle of the range.

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

Lakes and rivers seasonal water area change in United Republic of Tanzania, year by year

Annual values for Lakes and rivers seasonal water area change (%) in United Republic of Tanzania, 2005 to 2022.
Year Value Change
2005 2.9%
2006 -5.1% -277.0%
2007 -11.6% +128.3%
2008 -12.0% +3.3%
2009 -6.2% -48.6%
2010 -0.3% -95.3%
2011 4.5% -1656.3%
2012 5.0% +11.0%
2013 -1.9% -138.2%
2014 -4.1% +115.6%
2015 0.1% -101.3%
2016 5.5% +10315.6%
2017 21.0% +281.1%
2018 29.1% +38.8%
2019 38.4% +32.0%
2020 41.0% +6.9%
2021 52.5% +27.9%
2022 47.0% -10.5%

Biggest year-on-year movements

Years where Lakes and rivers seasonal water area change in United Republic of 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
2016 +10315.6% 0.1% 5.5%
2011 +1656.3% -0.3% 4.5%

Averages by decade

DecadeAverage LowestHighest Years
2000s -6.4% -12.0% 2.9% 5
2010s 9.7% -4.1% 38.4% 10
2020s 46.8% 41.0% 52.5% 3

Countries ranked near United Republic of Tanzania

  1. 144 Venezuela (Bolivarian Republic of) 49.5% compare
  2. 145 Poland 49.1% compare
  3. 146 Saint Pierre and Miquelon 48.6% compare
  4. 148 Puerto Rico 46.6% compare
  5. 149 Guinea-Bissau 46.5% compare
  6. 150 Lao People's Democratic Republic 46.3% compare
  7. 150 Laos 46.3% compare

See the full ranking of 286 places →

More environment data for United Republic of Tanzania

All data for United Republic of Tanzania →

Frequently asked questions

What is lakes and rivers seasonal water area change in United Republic of Tanzania?
Lakes and rivers seasonal water area change in United Republic of Tanzania was 47.0% in 2022, according to United Nations Statistics Division, SDG Global Database.
What is the highest lakes and rivers seasonal water area change recorded in United Republic of Tanzania?
The highest recorded value was 52.5% in 2021.
What is the lowest lakes and rivers seasonal water area change recorded in United Republic of Tanzania?
The lowest recorded value was -12.0% in 2008.
How does United Republic of Tanzania rank for lakes and rivers seasonal water area change?
United Republic of Tanzania ranks 147th out of 247 countries with data for 2022.
Is lakes and rivers seasonal water area change rising or falling in United Republic of Tanzania?
Over the last ten years it is up 841.3%. The long-run trend across the full record is volatile.
Where does this United Republic of Tanzania data come from?
The figures come from United Nations Statistics Division, SDG Global Database, published as part of Lakes and rivers seasonal water area change (%). Statizoid updates them automatically from the source API.

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Lakes and rivers seasonal water area change in United Republic of Tanzania. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 17 September 2026, from https://environment.statizoid.com/stat/lakes-and-rivers-seasonal-water-area-change-percent/united-republic-of-tanzania/

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About this data

Indicator
Lakes and rivers seasonal water area change (%)
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
286 places, 5,146 data points, 2005–2022
Last refreshed