How many years of comparable data are there for Costa Rica and Iceland?

29 years are reported by both, from 1997 to 2025.

Costa Rica vs Iceland: Proportion of seats held by women in national parliaments

Costa Rica

49.1%

in 2025

Iceland

46.0%

in 2025

Costa Rica rank

8th

Iceland rank

9th

Proportion of seats held by women in national parliaments over time

Costa Rica
Iceland

How they compare

Costa Rica currently reports 49.1% against 46.0% in Iceland, a difference of 3.1%.

That makes Costa Rica's figure about 1.1 times Iceland's.

The two have swapped places 5 times across 29 shared years of data; in 1997 it was Iceland ahead.

Costa Rica ranks 8th and Iceland ranks 9th of 193 countries.

Across the 4 decades both report, Costa Rica averaged higher in 1 and Iceland in 3.

Head to head by decade

Decade	Costa Rica	Iceland	Difference	Ahead
1990s	18.1%	28.6%	10.4%	Iceland
2000s	32.8%	34.1%	1.3%	Iceland
2010s	38.1%	40.5%	2.4%	Iceland
2020s	47.4%	45.5%	1.9%	Costa Rica

Averages of every year both report within each decade.

Frequently asked questions

Which has higher proportion of seats held by women in national parliaments, Costa Rica or Iceland?: Costa Rica, at 49.1% against 46.0% in Iceland as of 2025.
What is the difference in proportion of seats held by women in national parliaments between Costa Rica and Iceland?: 3.1%, with Costa Rica ahead.
How many years of comparable data are there for Costa Rica and Iceland?: 29 years are reported by both, from 1997 to 2025.
How do Costa Rica and Iceland rank globally for proportion of seats held by women in national parliaments?: Costa Rica ranks 8th and Iceland ranks 9th of 193 countries.
Where does this data come from?: Monthly ranking of women in national parliaments, Inter-Parliamentary Union (IPU), published as Proportion of seats held by women in national parliaments (%). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Costa Rica vs Iceland: Proportion of seats held by women in national parliaments. Statizoid, drawing on Monthly ranking of women in national parliaments, Inter-Parliamentary Union (IPU). Retrieved 15 September 2026, from https://public-sector.statizoid.com/compare/proportion-of-seats-held-by-women-in-national-parliaments-percent/costa-rica/iceland/

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<a href="https://public-sector.statizoid.com/compare/proportion-of-seats-held-by-women-in-national-parliaments-percent/costa-rica/iceland/">Costa Rica vs Iceland: Proportion of seats held by women in national parliaments</a> — Statizoid

About this data

Indicator: Proportion of seats held by women in national parliaments (%)
Unit: %
Source: Monthly ranking of women in national parliaments, Inter-Parliamentary Union (IPU)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 240 places, 6,573 data points, 1997–2025
Last refreshed: 03 September 2026

Women in parliaments are the percentage of parliamentary seats in a single or lower chamber held by women.