Lower secondary school completion rates, adjusted gender parity index in Nauru

Nauru: Lower secondary school completion rates, adjusted gender parity index was 1.16 index in 2025. ▲ Rising

Latest (2025)
1.16 index
Change on year
up 0.3%
World rank
24th
of 164 countries
All-time high
1.16 index
in 2025
All-time low
0.9097 index
in 1981
Years of data
45
1981–2025

Lower secondary school completion rates, adjusted gender parity index in Nauru, 1981–2025

00.250.50.7511.21981200320251981: 0.91 index1982: 0.921 index1983: 0.93 index1984: 0.942 index1985: 0.952 index1986: 0.952 index1987: 0.961 index1988: 0.971 index1989: 0.977 index1990: 0.985 index1991: 1 index1992: 1 index1993: 1 index1994: 1 index1995: 1 index1996: 1 index1997: 1 index1998: 1 index1999: 1 index2000: 1.1 index2001: 1.1 index2002: 1.1 index2003: 1.1 index2004: 1.1 index2005: 1.1 index2006: 1.1 index2007: 1.1 index2008: 1.1 index2009: 1.1 index2010: 1.1 index2011: 1.1 index2012: 1.1 index2013: 1.1 index2014: 1.1 index2015: 1.1 index2016: 1.1 index2017: 1.1 index2018: 1.1 index2019: 1.1 index2020: 1.1 index2021: 1.1 index2022: 1.2 index2023: 1.2 index2024: 1.2 index2025: 1.2 index

Source: UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data. Measured in index.

Analysis

The most recent figure for lower secondary school completion rates, adjusted gender parity index in Nauru is 1.16 index, measured in 2025. That is the highest value across all 45 years on record.

The figure is up 0.3% on the previous year and up 4.1% over ten years.

Over the whole period, lower secondary school completion rates, adjusted gender parity index in Nauru peaked at 1.16 index in 2025 and was at its lowest, 0.9097 index, in 1981.

Nauru ranks 24th of 164 countries on this measure, in the top quarter.

The long-run direction has been consistently rising across the 45 years of available data.

Lower secondary school completion rates, adjusted gender parity index in Nauru, year by year

Annual values for Lower secondary school completion rates, adjusted gender parity index in Nauru, 1981 to 2025.
Year index Change
1981 0.9097 index —
1982 0.9211 index +1.2%
1983 0.9301 index +1.0%
1984 0.9418 index +1.3%
1985 0.9518 index +1.1%
1986 0.9517 index -0.0%
1987 0.9614 index +1.0%
1988 0.9709 index +1.0%
1989 0.9769 index +0.6%
1990 0.985 index +0.8%
1991 1 index +1.6%
1992 1.01 index +0.5%
1993 1.01 index +0.6%
1994 1.02 index +0.8%
1995 1.02 index +0.4%
1996 1.03 index +0.5%
1997 1.04 index +0.7%
1998 1.05 index +1.0%
1999 1.05 index +0.3%
2000 1.05 index +0.4%
2001 1.06 index +0.6%
2002 1.07 index +0.9%
2003 1.08 index +0.5%
2004 1.08 index +0.2%
2005 1.08 index +0.0%
2006 1.08 index +0.4%
2007 1.09 index +0.7%
2008 1.09 index +0.4%
2009 1.1 index +0.3%
2010 1.1 index +0.2%
2011 1.1 index +0.2%
2012 1.1 index +0.3%
2013 1.11 index +0.4%
2014 1.11 index +0.3%
2015 1.11 index +0.2%
2016 1.12 index +0.5%
2017 1.13 index +0.6%
2018 1.13 index +0.5%
2019 1.14 index +0.6%
2020 1.14 index +0.3%
2021 1.15 index +0.5%
2022 1.15 index +0.3%
2023 1.15 index +0.3%
2024 1.16 index +0.2%
2025 1.16 index +0.3%

Nauru compared with similar countries

  • Nauru's 1.16 index is above the median for high income countries, which is 1.01 index, 1.2× the median. (46 countries reporting)
  • Nauru's 1.16 index is above the median for East Asia & Pacific, which is 1.07 index, 1.1× the median. (21 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1980s 0.9461 index 0.9097 index 0.9769 index 9
1990s 1.02 index 0.985 index 1.05 index 10
2000s 1.08 index 1.05 index 1.1 index 10
2010s 1.12 index 1.1 index 1.14 index 10
2020s 1.15 index 1.14 index 1.16 index 6

Countries ranked near Nauru

  1. 21 Malawi 1.18 index compare
  2. 22 Kenya 1.17 index compare
  3. 23 Cambodia 1.16 index compare
  4. 25 Philippines 1.16 index compare
  5. 26 Gambia 1.15 index compare
  6. 27 Rwanda 1.14 index compare

See the full ranking of 164 places →

More gender data for Nauru

All data for Nauru →

Frequently asked questions

What is lower secondary school completion rates, adjusted gender parity index in Nauru?
Lower secondary school completion rates, adjusted gender parity index in Nauru was 1.16 index in 2025, according to UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data.
What is the highest lower secondary school completion rates, adjusted gender parity index recorded in Nauru?
The highest recorded value was 1.16 index in 2025.
What is the lowest lower secondary school completion rates, adjusted gender parity index recorded in Nauru?
The lowest recorded value was 0.9097 index in 1981.
How does Nauru rank for lower secondary school completion rates, adjusted gender parity index?
Nauru ranks 24th out of 164 countries with data for 2025.
Is lower secondary school completion rates, adjusted gender parity index rising or falling in Nauru?
Over the last ten years it is up 4.1%. The long-run trend across the full record is rising.
Where does this Nauru data come from?
The figures come from UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data, published as part of Lower secondary school completion rates, adjusted gender parity index. Statizoid updates them automatically from the source API.

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Lower secondary school completion rates, adjusted gender parity index in Nauru. Statizoid, drawing on UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data. Retrieved 09 November 2026, from https://gender.statizoid.com/stat/lower-secondary-completion-rate-adjusted-gender-parity-index/naoero/

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About this data

Indicator
Lower secondary school completion rates, adjusted gender parity index
Unit
index
Source
UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
164 places, 7,240 data points, 1981–2025
Last refreshed

An adjusted gender parity index of 1 indicates equal lower secondary school completion rates between boys and girls. Values below 1 favor boys, and values above 1 favor girls.