What is the difference in proportion of seats held by women in national parliaments between Switzerland and Tanzania, United Republic of?

0.5%, with Tanzania, United Republic of ahead.

How many years of comparable data are there for Switzerland and Tanzania, United Republic of?

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

Switzerland vs Tanzania, United Republic of: Proportion of seats held by women in national parliaments

Switzerland

39.0%

in 2025

Tanzania, United Republic of

39.5%

in 2025

Switzerland rank

35th

Tanzania, United Republic of rank

32nd

Proportion of seats held by women in national parliaments over time

Switzerland
Tanzania, United Republic of

How they compare

Tanzania, United Republic of currently reports 39.5% against 39.0% in Switzerland, a difference of 0.5%.

The two have swapped places 3 times across 27 shared years of data; in 1997 it was Switzerland ahead.

Switzerland ranks 35th and Tanzania, United Republic of ranks 32nd of 193 countries.

Across the 4 decades both report, Switzerland averaged higher in 2 and Tanzania, United Republic of in 2.

Head to head by decade

Decade	Switzerland	Tanzania, United Republic of	Difference	Ahead
1990s	21.5%	17.1%	4.4%	Switzerland
2000s	25.8%	26.6%	0.8%	Tanzania, United Republic of
2010s	32.2%	36.4%	4.2%	Tanzania, United Republic of
2020s	40.2%	37.5%	2.8%	Switzerland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher proportion of seats held by women in national parliaments, Switzerland or Tanzania, United Republic of?: Tanzania, United Republic of, at 39.5% against 39.0% in Switzerland as of 2025.
What is the difference in proportion of seats held by women in national parliaments between Switzerland and Tanzania, United Republic of?: 0.5%, with Tanzania, United Republic of ahead.
How many years of comparable data are there for Switzerland and Tanzania, United Republic of?: 27 years are reported by both, from 1997 to 2025.
How do Switzerland and Tanzania, United Republic of rank globally for proportion of seats held by women in national parliaments?: Switzerland ranks 35th and Tanzania, United Republic of ranks 32nd 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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Switzerland vs Tanzania, United Republic of: Proportion of seats held by women in national parliaments. Statizoid, drawing on Monthly ranking of women in national parliaments, Inter-Parliamentary Union (IPU). Retrieved 16 September 2026, from https://public-sector.statizoid.com/compare/proportion-of-seats-held-by-women-in-national-parliaments-percent/switzerland/tanzania/

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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.