Hepb3 number unvaccinated in Tonga

Tonga: Hepb3 number unvaccinated was 23.98 in 2023. ◆ Volatile

Latest (2023)
23.98
Change on year
up 0.6%
World rank
182nd
of 190 countries
All-time high
511.92
in 1992
All-time low
23.6
in 2021
Years of data
34
1990–2023

Hepb3 number unvaccinated in Tonga, 1990–2023

01002003004005001990200620231990: 175.91991: 344.61992: 511.91993: 113.51994: 284.11995: 258.11996: 173.61997: 143.71998: 114.41999: 200.62000: 862001: 115.42002: 144.52003: 202.62004: 29.32005: 29.62006: 29.62007: 29.52008: 58.42009: 28.62010: 28.32011: 29.22012: 145.12013: 27.82014: 54.82015: 108.62016: 107.72017: 262018: 252019: 24.32020: 23.82021: 23.62022: 23.82023: 24

Source: Our World in Data.

Analysis

Tonga recorded 23.98 for hepb3 number unvaccinated in 2023.

Compared with earlier readings it is up 0.6% on the previous year and down 13.8% over ten years.

Over the whole period, hepb3 number unvaccinated in Tonga peaked at 511.92 in 1992 and was at its lowest, 23.6, in 2021.

That places Tonga 182nd out of 190 countries with data for 2023, putting it in the bottom quarter.

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

Hepb3 number unvaccinated in Tonga, year by year

Annual values for Hepb3 number unvaccinated in Tonga, 1990 to 2023.
Year Value Change
1990 175.86 —
1991 344.64 +96.0%
1992 511.92 +48.5%
1993 113.48 -77.8%
1994 284.1 +150.4%
1995 258.12 -9.1%
1996 173.64 -32.7%
1997 143.65 -17.3%
1998 114.4 -20.4%
1999 200.62 +75.4%
2000 85.95 -57.2%
2001 115.36 +34.2%
2002 144.5 +25.3%
2003 202.58 +40.2%
2004 29.29 -85.5%
2005 29.59 +1.0%
2006 29.65 +0.2%
2007 29.5 -0.5%
2008 58.38 +97.9%
2009 28.64 -50.9%
2010 28.33 -1.1%
2011 29.21 +3.1%
2012 145.1 +396.7%
2013 27.83 -80.8%
2014 54.76 +96.8%
2015 108.64 +98.4%
2016 107.68 -0.9%
2017 25.99 -75.9%
2018 24.98 -3.9%
2019 24.33 -2.6%
2020 23.81 -2.1%
2021 23.6 -0.9%
2022 23.84 +1.0%
2023 23.98 +0.6%

Tonga compared with similar countries

  • Tonga's 23.98 is below the median for upper middle income countries, which is 4,304, 1% of the median. (58 countries reporting)
  • Tonga's 23.98 is below the median for East Asia & Pacific, which is 4,252, 1% of the median. (30 countries reporting)

Biggest year-on-year movements

Years where Hepb3 number unvaccinated 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
2012 +396.7% 29.21 145.1

Averages by decade

DecadeAverage LowestHighest Years
1990s 232.04 113.48 511.92 10
2000s 75.34 28.64 202.58 10
2010s 57.69 24.33 145.1 10
2020s 23.81 23.6 23.98 4

Countries ranked near Tonga

  1. 179 Seychelles 54.12 compare
  2. 180 Nauru 46.35 compare
  3. 181 Cook Islands 26.32 compare
  4. 183 Saint Kitts and Nevis 22.36 compare
  5. 184 Antigua and Barbuda 22.18 compare
  6. 185 San Marino 19.89 compare

See the full ranking of 190 places →

More health data for Tonga

All data for Tonga →

Frequently asked questions

What is hepb3 number unvaccinated in Tonga?
Hepb3 number unvaccinated in Tonga was 23.98 in 2023, according to Our World in Data.
What is the highest hepb3 number unvaccinated recorded in Tonga?
The highest recorded value was 511.92 in 1992.
What is the lowest hepb3 number unvaccinated recorded in Tonga?
The lowest recorded value was 23.6 in 2021.
How does Tonga rank for hepb3 number unvaccinated?
Tonga ranks 182nd out of 190 countries with data for 2023.
Is hepb3 number unvaccinated rising or falling in Tonga?
Over the last ten years it is down 13.8%. The long-run trend across the full record is volatile.
Where does this Tonga data come from?
The figures come from Our World in Data, published as part of Hepb3 number unvaccinated. Statizoid updates them automatically from the source API.

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Hepb3 number unvaccinated in Tonga. Statizoid, drawing on Our World in Data. Retrieved 10 November 2026, from https://health.statizoid.com/stat/hepb3-number-unvaccinated/tonga/

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About this data

Indicator
Hepb3 number unvaccinated
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
190 places, 4,559 data points, 1989–2023
Last refreshed