Lower secondary school completion rates, adjusted gender parity index in United States

United States: Lower secondary school completion rates, adjusted gender parity index was 1 index in 2025. ▬ Flat

Latest (2025)
1 index
Change on year
down 0.0%
World rank
118th
of 164 countries
All-time high
1.01 index
in 1998
All-time low
1 index
in 1981
Years of data
45
1981–2025

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

00.250.50.7511981200320251981: 1 index1982: 1 index1983: 1 index1984: 1 index1985: 1 index1986: 1 index1987: 1 index1988: 1 index1989: 1 index1990: 1 index1991: 1 index1992: 1 index1993: 1 index1994: 1 index1995: 1 index1996: 1 index1997: 1 index1998: 1 index1999: 1 index2000: 1 index2001: 1 index2002: 1 index2003: 1 index2004: 1 index2005: 1 index2006: 1 index2007: 1 index2008: 1 index2009: 1 index2010: 1 index2011: 1 index2012: 1 index2013: 1 index2014: 1 index2015: 1 index2016: 1 index2017: 1 index2018: 1 index2019: 1 index2020: 1 index2021: 1 index2022: 1 index2023: 1 index2024: 1 index2025: 1 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 United States is 1 index, measured in 2025.

Compared with earlier readings it is down 0.2% over ten years.

Over the whole period, lower secondary school completion rates, adjusted gender parity index in United States peaked at 1.01 index in 1998 and was at its lowest, 1 index, in 1981.

United States ranks 118th of 164 countries on this measure, in the middle of the range.

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

Annual values for Lower secondary school completion rates, adjusted gender parity index in United States, 1981 to 2025.
Year index Change
1981 1 index —
1982 1 index +0.1%
1983 1 index +0.1%
1984 1 index +0.0%
1985 1 index -0.0%
1986 1 index -0.0%
1987 1 index +0.1%
1988 1.01 index +0.1%
1989 1.01 index +0.2%
1990 1.01 index +0.1%
1991 1.01 index +0.0%
1992 1.01 index +0.1%
1993 1.01 index +0.1%
1994 1.01 index +0.1%
1995 1.01 index -0.0%
1996 1.01 index +0.1%
1997 1.01 index -0.0%
1998 1.01 index +0.0%
1999 1.01 index -0.1%
2000 1.01 index -0.0%
2001 1.01 index -0.1%
2002 1.01 index -0.1%
2003 1.01 index +0.0%
2004 1.01 index -0.0%
2005 1.01 index -0.0%
2006 1.01 index -0.0%
2007 1.01 index -0.1%
2008 1.01 index -0.1%
2009 1.01 index -0.1%
2010 1.01 index -0.1%
2011 1.01 index -0.0%
2012 1.01 index +0.0%
2013 1.01 index -0.0%
2014 1.01 index -0.0%
2015 1 index -0.0%
2016 1 index -0.0%
2017 1 index -0.1%
2018 1 index -0.0%
2019 1 index -0.0%
2020 1 index -0.0%
2021 1 index -0.0%
2022 1 index -0.0%
2023 1 index -0.0%
2024 1 index -0.0%
2025 1 index -0.0%

United States compared with similar countries

  • United States's 1 index is below the median for high income countries, which is 1.01 index, 100% of the median. (46 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1980s 1 index 1 index 1.01 index 9
1990s 1.01 index 1.01 index 1.01 index 10
2000s 1.01 index 1.01 index 1.01 index 10
2010s 1 index 1 index 1.01 index 10
2020s 1 index 1 index 1 index 6

Countries ranked near United States

  1. 115 Sweden 1 index compare
  2. 116 Sierra Leone 1 index compare
  3. 117 Croatia 1 index compare
  4. 119 Romania 1 index compare
  5. 120 Czechia 1 index compare
  6. 121 Belarus 1 index compare

See the full ranking of 164 places →

More gender data for United States

All data for United States →

Frequently asked questions

What is lower secondary school completion rates, adjusted gender parity index in United States?
Lower secondary school completion rates, adjusted gender parity index in United States was 1 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 United States?
The highest recorded value was 1.01 index in 1998.
What is the lowest lower secondary school completion rates, adjusted gender parity index recorded in United States?
The lowest recorded value was 1 index in 1981.
How does United States rank for lower secondary school completion rates, adjusted gender parity index?
United States ranks 118th out of 164 countries with data for 2025.
Is lower secondary school completion rates, adjusted gender parity index rising or falling in United States?
Over the last ten years it is down 0.2%. The long-run trend across the full record is flat.
Where does this United States 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 United States. 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/united-states/

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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.