IDA only vs Nauru: Lower secondary completion rate, total

IDA only
49.0%
in 2023
Nauru
97.9%
in 2025
IDA only rank
34th
Nauru rank
37th

Lower secondary completion rate, total over time

  • IDA only
  • Nauru
20406080100197019972025

How they compare

Nauru currently reports 97.9% against 49.0% in IDA only, a difference of 48.9%.

That makes Nauru's figure about 2.0 times IDA only's.

The two have swapped places 2 times across 8 shared years of data; in 1998 it was Nauru ahead.

IDA only ranks 34th and Nauru ranks 37th of 43 groups.

Across the 4 decades both report, IDA only averaged higher in 1 and Nauru in 3.

Head to head by decade

Decade IDA only Nauru Difference Ahead
1990s 29.9% 35.0% 5.1% Nauru
2000s 33.1% 32.7% 0.4% IDA only
2010s 45.9% 79.3% 33.5% Nauru
2020s 48.9% 81.9% 33.0% Nauru

Averages of every year both report within each decade.

Frequently asked questions

Which has higher lower secondary completion rate, total, IDA only or Nauru?
Nauru, at 97.9% against 49.0% in IDA only as of 2025.
What is the difference in lower secondary completion rate, total between IDA only and Nauru?
48.9%, with Nauru ahead.
How many years of comparable data are there for IDA only and Nauru?
8 years are reported by both, from 1998 to 2023.
How do IDA only and Nauru rank globally for lower secondary completion rate, total?
IDA only ranks 34th and Nauru ranks 37th of 43 groups.
Where does this data come from?
Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Lower secondary completion rate, total (% of relevant age group). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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IDA only vs Nauru: Lower secondary completion rate, total. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 01 September 2026, from https://education.statizoid.com/compare/lower-secondary-completion-rate-total-percent-of-relevant-age-group/ida-only/naoero/

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About this data

Indicator
Lower secondary completion rate, total (% of relevant age group)
Unit
% of relevant age group
Source
Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
232 places, 5,918 data points, 1970–2025
Last refreshed

Lower secondary education completion rate is measured as the gross intake ratio to the last grade of lower secondary education (general and pre-vocational). It is calculated as the number of new entrants in the last grade of lower secondary education, regardless of age, divided by the population at the entrance age for the last grade of lower secondary education.