People affected by disaster, Number (Not Applicable), gaps filled in Tonga

Tonga: People affected by disaster, Number (Not Applicable), gaps filled was 25,000 in 2020. ◆ Volatile

Latest (2020)
25,000
Change on year
down 55.4%
World rank
86th
of 183 countries
All-time high
146,514
in 1982
All-time low
0
in 2004
Years of data
20
1982–2020

People affected by disaster, Number (Not Applicable), gaps filled in Tonga, 1982–2020

050.0k100.0k150.0k1982200120201982: 146.5k1990: 3.1k1997: 3.0k1998: 3.6k1999: 7.9k2000: 12.2k2001: 16.5k2002: 11.0k2003: 5.5k2004: 02011: 7.6k2012: 6.4k2013: 5.2k2014: 4.0k2015: 02016: 3922017: 43.7k2018: 87.0k2019: 56.0k2020: 25.0k

Source: Statizoid (derived).

Analysis

Tonga recorded 25,000 for people affected by disaster, number (not applicable), gaps filled in 2020.

The figure is down 55.4% on the previous year and up 228.9% over ten years.

Over the whole period, people affected by disaster, number (not applicable), gaps filled in Tonga peaked at 146,514 in 1982 and was at its lowest, 0, in 2004.

That places Tonga 86th out of 183 countries with data for 2020, putting it in the middle of the range.

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

People affected by disaster, Number (Not Applicable), gaps filled in Tonga, year by year

Annual values for People affected by disaster, Number (Not Applicable), gaps filled in Tonga, 1982 to 2020.
Year Value Change
1982 146,514 —
1990 3,103 -97.9%
1997 3,000 -3.3%
1998 3,571 +19.0%
1999 7,881 +120.7%
2000 12,190 +54.7%
2001 16,500 +35.4%
2002 11,000 -33.3%
2003 5,500 -50.0%
2004 0 -100.0%
2011 7,600 —
2012 6,405 -15.7%
2013 5,209 -18.7%
2014 4,014 -22.9%
2015 0 -100.0%
2016 392 —
2017 43,696 +11046.9%
2018 87,000 +99.1%
2019 56,000 -35.6%
2020 25,000 -55.4%

Tonga compared with similar countries

  • Tonga's 25,000 is above the median for upper middle income countries, which is 18,017, 1.4× the median. (55 countries reporting)
  • Tonga's 25,000 is below the median for East Asia & Pacific, which is 29,228, 86% of the median. (28 countries reporting)

Biggest year-on-year movements

Years where People affected by disaster, Number (Not Applicable), gaps filled in Tonga 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
2017 +11046.9% 392 43,696

Averages by decade

DecadeAverage LowestHighest Years
1980s 146,514 146,514 146,514 1
1990s 4,389 3,000 7,881 4
2000s 9,038 0 16,500 5
2010s 23,368 0 87,000 9
2020s 25,000 25,000 25,000 1

Countries ranked near Tonga

  1. 83 Bolivia 32,357 compare
  2. 84 Venezuela 29,000 compare
  3. 85 Mexico 27,182 compare
  4. 87 Syria 24,700 compare
  5. 88 Sierra Leone 23,596 compare
  6. 89 Solomon Islands 22,319 compare

See the full ranking of 185 places →

More climate change data for Tonga

All data for Tonga →

Frequently asked questions

What is people affected by disaster, number (not applicable), gaps filled in Tonga?
People affected by disaster, number (not applicable), gaps filled in Tonga was 25,000 in 2020, according to Statizoid (derived).
What is the highest people affected by disaster, number (not applicable), gaps filled recorded in Tonga?
The highest recorded value was 146,514 in 1982.
What is the lowest people affected by disaster, number (not applicable), gaps filled recorded in Tonga?
The lowest recorded value was 0 in 2004.
How does Tonga rank for people affected by disaster, number (not applicable), gaps filled?
Tonga ranks 86th out of 183 countries with data for 2020.
Is people affected by disaster, number (not applicable), gaps filled rising or falling in Tonga?
Over the last ten years it is up 228.9%. The long-run trend across the full record is volatile.
Where does this Tonga data come from?
The figures come from Statizoid (derived), published as part of People affected by disaster, Number (Not Applicable), gaps filled. Statizoid updates them automatically from the source API.

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People affected by disaster, Number (Not Applicable), gaps filled in Tonga. Statizoid, drawing on Statizoid (derived). Retrieved 07 November 2026, from https://climate.statizoid.com/stat/people-affected-by-disaster-number-not-applicable-gaps-filled/tonga/

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<a href="https://climate.statizoid.com/stat/people-affected-by-disaster-number-not-applicable-gaps-filled/tonga/">People affected by disaster, Number (Not Applicable), gaps filled in Tonga</a> — Statizoid

How this figure is calculated

People affected by disaster, Number (Not Applicable) with 1,354 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.

Computed from

Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.

About this data

Indicator
People affected by disaster, Number (Not Applicable), gaps filled
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
185 places, 5,614 data points, 1980–2025
Last refreshed

People affected by disaster, Number (Not Applicable) with 1,354 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.