How many years of comparable data are there for Sri Lanka and United States of America?

8 years are reported by both, from 2015 to 2023.

Where does this data come from?

UNESCO Institute for Statistics, published as Proportion of qualified teachers in lower secondary education, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Sri Lanka vs United States of America: Proportion of qualified teachers in lower secondary education

Sri Lanka

1 GPIA

in 2023

United States of America

1 GPIA

in 2023

Sri Lanka rank

18th

United States of America rank

20th

Proportion of qualified teachers in lower secondary education over time

Sri Lanka
United States of America

How they compare

Sri Lanka currently reports 1 GPIA against 1 GPIA in United States of America, a difference of 0 GPIA.

The two have swapped places 2 times across 8 shared years of data; in 2015 it was Sri Lanka ahead.

Sri Lanka ranks 18th and United States of America ranks 20th of 60 countries.

Sri Lanka has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade	Sri Lanka	United States of America	Difference	Ahead
2010s	1 GPIA	1 GPIA	0.0034 GPIA	Sri Lanka
2020s	1.01 GPIA	1 GPIA	0.0051 GPIA	Sri Lanka

Averages of every year both report within each decade.

Frequently asked questions

Which has higher proportion of qualified teachers in lower secondary education, Sri Lanka or United States of America?: Sri Lanka, at 1 GPIA against 1 GPIA in United States of America as of 2023.
What is the difference in proportion of qualified teachers in lower secondary education between Sri Lanka and United States of America?: 0 GPIA, with Sri Lanka ahead.
How many years of comparable data are there for Sri Lanka and United States of America?: 8 years are reported by both, from 2015 to 2023.
How do Sri Lanka and United States of America rank globally for proportion of qualified teachers in lower secondary education?: Sri Lanka ranks 18th and United States of America ranks 20th of 60 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Proportion of qualified teachers in lower secondary education, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sri Lanka vs United States of America: Proportion of qualified teachers in lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 12 September 2026, from https://education.statizoid.com/compare/proportion-of-qualified-teachers-in-lower-secondary-education-adjusted-gender-parity/sri-lanka/united-states/

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<a href="https://education.statizoid.com/compare/proportion-of-qualified-teachers-in-lower-secondary-education-adjusted-gender-parity/sri-lanka/united-states/">Sri Lanka vs United States of America: Proportion of qualified teachers in lower secondary education</a> — Statizoid

About this data

Indicator: Proportion of qualified teachers in lower secondary education, adjusted gender parity index (GPIA)
Unit: GPIA
Source: UNESCO Institute for Statistics
Licence: CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage: 217 places, 2,165 data points, 1999–2024
Last refreshed: 06 September 2026

February 2026 Data Release