Which has higher secondary education, duration, Hong Kong or Sao Tome and Principe?

Hong Kong, at 6 years against 6 years in Sao Tome and Principe as of 2025.

How many years of comparable data are there for Hong Kong and Sao Tome and Principe?

56 years are reported by both, from 1970 to 2025.

Where does this data come from?

Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Secondary education, duration (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Hong Kong vs Sao Tome and Principe: Secondary education, duration (years)

Hong Kong

6 years

in 2025

Sao Tome and Principe

6 years

in 2025

Hong Kong rank

91st

Sao Tome and Principe rank

91st

Secondary education, duration (years) over time

Hong Kong
Sao Tome and Principe

How they compare

Hong Kong currently reports 6 years against 6 years in Sao Tome and Principe, a difference of 0 years.

The two have swapped places 2 times across 56 shared years of data; in 1970 it was Sao Tome and Principe ahead.

Hong Kong ranks 91st and Sao Tome and Principe ranks 91st of 209 countries.

Hong Kong has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Hong Kong	Sao Tome and Principe	Difference	Ahead
1970s	7 years	7 years	0 years	—
1980s	7 years	7 years	0 years	—
1990s	7 years	6.8 years	0.2 years	Hong Kong
2000s	7 years	5 years	2 years	Hong Kong
2010s	6.2 years	5.9 years	0.3 years	Hong Kong
2020s	6 years	6 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher secondary education, duration, Hong Kong or Sao Tome and Principe?: Hong Kong, at 6 years against 6 years in Sao Tome and Principe as of 2025.
What is the difference in secondary education, duration between Hong Kong and Sao Tome and Principe?: 0 years, with Hong Kong ahead.
How many years of comparable data are there for Hong Kong and Sao Tome and Principe?: 56 years are reported by both, from 1970 to 2025.
How do Hong Kong and Sao Tome and Principe rank globally for secondary education, duration?: Hong Kong ranks 91st and Sao Tome and Principe ranks 91st of 209 countries.
Where does this data come from?: Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Secondary education, duration (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hong Kong vs Sao Tome and Principe: Secondary education, duration. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 24 October 2026, from https://education.statizoid.com/compare/secondary-education-duration-years/hong-kong-sar-china/sao-tome-and-principe/

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About this data

Indicator: Secondary education, duration (years)
Unit: years
Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 255 places, 13,986 data points, 1970–2025
Last refreshed: 15 October 2026

Secondary duration refers to the number of grades (years) in secondary school.