How many years of comparable data are there for Namibia and Tonga?

22 years are reported by both, from 1998 to 2019.

Where does this data come from?

UNESCO Institute for Statistics, published as Official entrance age to post-secondary non-tertiary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Namibia vs Tonga: Official entrance age to post-secondary non-tertiary education

Namibia

18 years

in 2019

Tonga

18 years

in 2019

Namibia rank

53rd

Tonga rank

53rd

Official entrance age to post-secondary non-tertiary education over time

Namibia
Tonga

How they compare

Namibia currently reports 18 years against 18 years in Tonga, a difference of 0 years.

The two have swapped places 1 time across 22 shared years of data; in 1998 it was Namibia ahead.

Namibia ranks 53rd and Tonga ranks 53rd of 169 countries.

Namibia has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Namibia	Tonga	Difference	Ahead
1990s	18 years	17 years	1 years	Namibia
2000s	18 years	17 years	1 years	Namibia
2010s	18 years	17.8 years	0.2 years	Namibia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher official entrance age to post-secondary non-tertiary education, Namibia or Tonga?: Namibia, at 18 years against 18 years in Tonga as of 2019.
What is the difference in official entrance age to post-secondary non-tertiary education between Namibia and Tonga?: 0 years, with Namibia ahead.
How many years of comparable data are there for Namibia and Tonga?: 22 years are reported by both, from 1998 to 2019.
How do Namibia and Tonga rank globally for official entrance age to post-secondary non-tertiary education?: Namibia ranks 53rd and Tonga ranks 53rd of 169 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Official entrance age to post-secondary non-tertiary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Namibia vs Tonga: Official entrance age to post-secondary non-tertiary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 29 August 2026, from https://education.statizoid.com/compare/official-entrance-age-to-post-secondary-non-tertiary-education-years/namibia/tonga/

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<a href="https://education.statizoid.com/compare/official-entrance-age-to-post-secondary-non-tertiary-education-years/namibia/tonga/">Namibia vs Tonga: Official entrance age to post-secondary non-tertiary education</a> — Statizoid

About this data

Indicator: Official entrance age to post-secondary non-tertiary education (years)
Unit: years
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 169 places, 3,190 data points, 1970–2020
Last refreshed: 21 August 2026

Age at which students would enter post-secondary education, assuming they had started at the official entrance age for the lowest level of education, had studied full-time throughout and had progressed through the system without repeating or skipping a grade.