Which has higher lower secondary school starting age, Grenada or Guinea-Bissau?

Grenada, at 12 years against 12 years in Guinea-Bissau as of 2025.

How many years of comparable data are there for Grenada and Guinea-Bissau?

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 Lower secondary school starting age (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Grenada vs Guinea-Bissau: Lower secondary school starting age

Grenada

12 years

in 2025

Guinea-Bissau

12 years

in 2025

Grenada rank

30th

Guinea-Bissau rank

30th

Lower secondary school starting age over time

Grenada
Guinea-Bissau

How they compare

Grenada currently reports 12 years against 12 years in Guinea-Bissau, a difference of 0 years.

Across all 56 years both countries report, Guinea-Bissau has been ahead every year.

Grenada ranks 30th and Guinea-Bissau ranks 30th of 209 countries.

Guinea-Bissau has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Grenada	Guinea-Bissau	Difference	Ahead
1970s	12 years	13 years	1 years	Guinea-Bissau
1980s	12 years	13 years	1 years	Guinea-Bissau
1990s	12 years	13 years	1 years	Guinea-Bissau
2000s	12 years	13 years	1 years	Guinea-Bissau
2010s	12 years	12.1 years	0.1 years	Guinea-Bissau
2020s	12 years	12 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher lower secondary school starting age, Grenada or Guinea-Bissau?: Grenada, at 12 years against 12 years in Guinea-Bissau as of 2025.
What is the difference in lower secondary school starting age between Grenada and Guinea-Bissau?: 0 years, with Grenada ahead.
How many years of comparable data are there for Grenada and Guinea-Bissau?: 56 years are reported by both, from 1970 to 2025.
How do Grenada and Guinea-Bissau rank globally for lower secondary school starting age?: Grenada ranks 30th and Guinea-Bissau ranks 30th of 209 countries.
Where does this data come from?: Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Lower secondary school starting age (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Grenada vs Guinea-Bissau: Lower secondary school starting age. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 17 August 2026, from https://education.statizoid.com/compare/lower-secondary-school-starting-age-years/grenada/guinea-bissau/

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About this data

Indicator: Lower secondary school starting age (years)
Unit: years
Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 209 places, 11,411 data points, 1970–2025
Last refreshed: 06 August 2026

Lower secondary school starting age is the age at which students would enter lower 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.