Immunization, BCG in Tonga

Tonga: Immunization, BCG was 99.0% in 2024. ▲ Rising

Latest (2024)
99.0%
Change on year
unchanged
World rank
1st
of 165 countries
All-time high
99.0%
in 1980
All-time low
78.0%
in 1984
Years of data
45
1980–2024

Immunization, BCG in Tonga, 1980–2024

0204060801001980200220241980: 99 % of one-year-old children1981: 86 % of one-year-old children1982: 98 % of one-year-old children1983: 83 % of one-year-old children1984: 78 % of one-year-old children1985: 99 % of one-year-old children1986: 98 % of one-year-old children1987: 93 % of one-year-old children1988: 95 % of one-year-old children1989: 97 % of one-year-old children1990: 99 % of one-year-old children1991: 99 % of one-year-old children1992: 96 % of one-year-old children1993: 97 % of one-year-old children1994: 99 % of one-year-old children1995: 99 % of one-year-old children1996: 99 % of one-year-old children1997: 99 % of one-year-old children1998: 99 % of one-year-old children1999: 99 % of one-year-old children2000: 99 % of one-year-old children2001: 91 % of one-year-old children2002: 95 % of one-year-old children2003: 99 % of one-year-old children2004: 99 % of one-year-old children2005: 99 % of one-year-old children2006: 99 % of one-year-old children2007: 99 % of one-year-old children2008: 99 % of one-year-old children2009: 99 % of one-year-old children2010: 99 % of one-year-old children2011: 99 % of one-year-old children2012: 95 % of one-year-old children2013: 99 % of one-year-old children2014: 99 % of one-year-old children2015: 91 % of one-year-old children2016: 91 % of one-year-old children2017: 99 % of one-year-old children2018: 99 % of one-year-old children2019: 99 % of one-year-old children2020: 99 % of one-year-old children2021: 99 % of one-year-old children2022: 99 % of one-year-old children2023: 99 % of one-year-old children2024: 99 % of one-year-old children

Source: WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/). Measured in % of one-year-old children.

Analysis

In 2024, immunization, bcg in Tonga stood at 99.0%. That is the highest value across all 45 years on record.

Compared with earlier readings it is unchanged over ten years.

Over the whole period, immunization, bcg in Tonga peaked at 99.0% in 1980 and was at its lowest, 78.0%, in 1984.

That places Tonga 1st out of 165 countries with data for 2024, putting it in the top 10%.

The long-run direction has been consistently rising across the 45 years of available data.

Immunization, BCG in Tonga, year by year

Annual values for Immunization, BCG (% of one-year-old children) in Tonga, 1980 to 2024.
Year % of one-year-old children Change
1980 99.0%
1981 86.0% -13.1%
1982 98.0% +14.0%
1983 83.0% -15.3%
1984 78.0% -6.0%
1985 99.0% +26.9%
1986 98.0% -1.0%
1987 93.0% -5.1%
1988 95.0% +2.2%
1989 97.0% +2.1%
1990 99.0% +2.1%
1991 99.0% +0.0%
1992 96.0% -3.0%
1993 97.0% +1.0%
1994 99.0% +2.1%
1995 99.0% +0.0%
1996 99.0% +0.0%
1997 99.0% +0.0%
1998 99.0% +0.0%
1999 99.0% +0.0%
2000 99.0% +0.0%
2001 91.0% -8.1%
2002 95.0% +4.4%
2003 99.0% +4.2%
2004 99.0% +0.0%
2005 99.0% +0.0%
2006 99.0% +0.0%
2007 99.0% +0.0%
2008 99.0% +0.0%
2009 99.0% +0.0%
2010 99.0% +0.0%
2011 99.0% +0.0%
2012 95.0% -4.0%
2013 99.0% +4.2%
2014 99.0% +0.0%
2015 91.0% -8.1%
2016 91.0% +0.0%
2017 99.0% +8.8%
2018 99.0% +0.0%
2019 99.0% +0.0%
2020 99.0% +0.0%
2021 99.0% +0.0%
2022 99.0% +0.0%
2023 99.0% +0.0%
2024 99.0% +0.0%

Averages by decade

DecadeAverage LowestHighest Years
1980s 92.6% 78.0% 99.0% 10
1990s 98.5% 96.0% 99.0% 10
2000s 97.8% 91.0% 99.0% 10
2010s 97.0% 91.0% 99.0% 10
2020s 99.0% 99.0% 99.0% 5

Countries ranked near Tonga

  1. 1 Albania 99.0% compare
  2. 1 Bangladesh 99.0% compare
  3. 1 Benin 99.0% compare
  4. 1 Bhutan 99.0% compare
  5. 1 Brunei 99.0% compare
  6. 1 Cape Verde 99.0% compare
  7. 1 Chile 99.0% compare
  8. 1 China 99.0% compare
  9. 1 Costa Rica 99.0% compare
  10. 1 Cuba 99.0% compare
  11. 1 Dominican Republic 99.0% compare
  12. 1 El Salvador 99.0% compare
  13. 1 Guyana 99.0% compare
  14. 1 Hungary 99.0% compare
  15. 1 Iran 99.0% compare
  16. 1 North Korea 99.0% compare
  17. 1 Kuwait 99.0% compare
  18. 1 Latvia 99.0% compare
  19. 1 Malawi 99.0% compare
  20. 1 Maldives 99.0% compare
  21. 1 Mongolia 99.0% compare
  22. 1 Nauru 99.0% compare
  23. 1 Nepal 99.0% compare
  24. 1 Oman 99.0% compare
  25. 1 Panama 99.0% compare
  26. 1 Qatar 99.0% compare
  27. 1 Rwanda 99.0% compare
  28. 1 Samoa 99.0% compare
  29. 1 Seychelles 99.0% compare
  30. 1 Saint Vincent and the Grenadines 99.0% compare
  31. 1 Tajikistan 99.0% compare
  32. 1 Thailand 99.0% compare
  33. 1 Tuvalu 99.0% compare
  34. 1 Uruguay 99.0% compare
  35. 1 Uzbekistan 99.0% compare

See the full ranking of 200 places →

More health data for Tonga

All data for Tonga →

Frequently asked questions

What is immunization, bcg in Tonga?
Immunization, bcg in Tonga was 99.0% in 2024, according to WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/).
What is the highest immunization, bcg recorded in Tonga?
The highest recorded value was 99.0% in 1980.
What is the lowest immunization, bcg recorded in Tonga?
The lowest recorded value was 78.0% in 1984.
How does Tonga rank for immunization, bcg?
Tonga ranks 1st out of 165 countries with data for 2024.
Is immunization, bcg rising or falling in Tonga?
Over the last ten years it is unchanged. The long-run trend across the full record is rising.
Where does this Tonga data come from?
The figures come from WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/), published as part of Immunization, BCG (% of one-year-old children). Statizoid updates them automatically from the source API.

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Immunization, BCG in Tonga. Statizoid, drawing on WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/). Retrieved 27 August 2026, from https://health.statizoid.com/stat/immunization-bcg-percent-of-one-year-old-children/tonga/

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About this data

Indicator
Immunization, BCG (% of one-year-old children)
Unit
% of one-year-old children
Source
WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
200 places, 8,092 data points, 1980–2024
Last refreshed

Child immunization rate, BCG is the percentage of children ages 12-23 months who received vaccinations before 12 months or at any time before the survey for BCG. A child is considered adequately immunized after one dose.