Statizoid

Proportion of upper secondary schools with access to basic drinking in Tonga

Tonga: Proportion of upper secondary schools with access to basic drinking was 100.0% in 2024. ▲ Rising

Latest (2024)
100.0%
Change on year
unchanged
World rank
1st
of 101 countries
All-time high
100.0%
in 2020
All-time low
76.5%
in 2021
Years of data
5
2020–2024

Proportion of upper secondary schools with access to basic drinking in Tonga, 2020–2024

0204060801002020202220242020: 100 %2021: 76.5 %2022: 76.5 %2023: 100 %2024: 100 %

Source: UNESCO Institute for Statistics. Measured in %.

Analysis

In 2024, proportion of upper secondary schools with access to basic drinking in Tonga stood at 100.0%. That is the highest value across all 5 years on record.

Compared with earlier readings it is unchanged over five years.

That places Tonga 1st out of 101 countries with data for 2024, putting it in the top 10%.

Countries ranked near Tonga

  1. 1 Anguilla, United Kingdom-British Overseas Territory 100.0% compare
  2. 1 Andorra, Principality of 100.0% compare
  3. 1 United Arab Emirates 100.0% compare
  4. 1 Australia 100.0% compare
  5. 1 Austria 100.0% compare
  6. 1 Azerbaijan, Republic of 100.0% compare
  7. 1 Belgium 100.0%
  8. 1 Bahrain, Kingdom of 100.0% compare
  9. 1 Belarus, Republic of 100.0% compare
  10. 1 Barbados 100.0% compare
  11. 1 Bhutan 100.0% compare
  12. 1 Switzerland 100.0% compare
  13. 1 Chile 100.0% compare
  14. 1 Cook Islands 100.0% compare
  15. 1 Cabo Verde 100.0%
  16. 1 Cuba 100.0%
  17. 1 Cayman Islands 100.0% compare
  18. 1 Czech Republic 100.0%
  19. 1 Germany 100.0% compare
  20. 1 Dominica 100.0%
  21. 1 Spain 100.0% compare
  22. 1 Estonia 100.0% compare
  23. 1 Finland 100.0% compare
  24. 1 France 100.0% compare
  25. 1 Georgia 100.0% compare
  26. 1 Gibraltar 100.0% compare
  27. 1 Grenada 100.0% compare
  28. 1 Hong Kong Special Administrative Region, People's Republic of China 100.0% compare
  29. 1 Hungary 100.0% compare
  30. 1 Iceland 100.0% compare
  31. 1 Israel 100.0% compare
  32. 1 Italy 100.0%
  33. 1 Jordan 100.0% compare
  34. 1 Kiribati 100.0% compare
  35. 1 St. Kitts and Nevis 100.0% compare
  36. 1 Korea, Republic of 100.0% compare
  37. 1 Kuwait 100.0%
  38. 1 St. Lucia 100.0%
  39. 1 Lithuania, Republic of 100.0% compare
  40. 1 Luxembourg 100.0%
  41. 1 Macao Special Administrative Region, People's Republic of China 100.0% compare
  42. 1 Monaco 100.0% compare
  43. 1 Mongolia 100.0% compare
  44. 1 Montserrat, United Kingdom-British Overseas Territory 100.0% compare
  45. 1 Mauritius 100.0% compare
  46. 1 Malaysia 100.0% compare
  47. 1 Niue 100.0% compare
  48. 1 Netherlands, The 100.0% compare
  49. 1 Norway 100.0% compare
  50. 1 New Zealand 100.0% compare
  51. 1 Oman 100.0% compare
  52. 1 Palau, Republic of 100.0% compare
  53. 1 Poland, Republic of 100.0%
  54. 1 Portugal 100.0%
  55. 1 Palestine 100.0%
  56. 1 Qatar 100.0% compare
  57. 1 Saudi Arabia 100.0% compare
  58. 1 Singapore 100.0%
  59. 1 San Marino, Republic of 100.0% compare
  60. 1 Slovak Republic 100.0% compare
  61. 1 Slovenia, Republic of 100.0% compare
  62. 1 Sweden 100.0% compare
  63. 1 Seychelles 100.0% compare
  64. 1 Thailand 100.0% compare
  65. 1 Tokelau 100.0% compare
  66. 1 Turkmenistan 100.0% compare
  67. 1 Tunisia 100.0%
  68. 1 Türkiye, Republic of 100.0% compare
  69. 1 Tuvalu 100.0% compare
  70. 1 Uruguay 100.0%
  71. 1 St. Vincent and the Grenadines 100.0% compare
  72. 1 British Virgin Islands 100.0% compare
  73. 1 Samoa 100.0% compare

See the full ranking of 282 places →

More education data for Tonga

All data for Tonga →

Frequently asked questions

What is proportion of upper secondary schools with access to basic drinking in Tonga?
Proportion of upper secondary schools with access to basic drinking in Tonga was 100.0% in 2024, according to UNESCO Institute for Statistics.
What is the highest proportion of upper secondary schools with access to basic drinking recorded in Tonga?
The highest recorded value was 100.0% in 2020.
What is the lowest proportion of upper secondary schools with access to basic drinking recorded in Tonga?
The lowest recorded value was 76.5% in 2021.
How does Tonga rank for proportion of upper secondary schools with access to basic drinking?
Tonga ranks 1st out of 101 countries with data for 2024.
Where does this Tonga data come from?
The figures come from UNESCO Institute for Statistics, published as part of Proportion of upper secondary schools with access to basic drinking water (%). Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 5 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).

Share, cite or embed this page

Cite this page

Proportion of upper secondary schools with access to basic drinking in Tonga. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 18 August 2026, from https://education.statizoid.com/stat/proportion-of-upper-secondary-schools-with-access-to-basic-drinking-water-percent-2/tonga/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics); please keep the attribution.

<a href="https://education.statizoid.com/stat/proportion-of-upper-secondary-schools-with-access-to-basic-drinking-water-percent-2/tonga/">Proportion of upper secondary schools with access to basic drinking in Tonga</a> — Statizoid

About this data

Indicator
Proportion of upper secondary schools with access to basic drinking water (%)
Unit
%
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
282 places, 2,958 data points, 1999–2025
Last refreshed

February 2026 Data Release