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

14.8%, with Tanzania, United Republic of ahead.

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

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

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

IDA only

24.7%

in 2025

Tanzania, United Republic of

39.5%

in 2025

IDA only rank

30th

Tanzania, United Republic of rank

32nd

Proportion of seats held by women in national parliaments over time

IDA only
Tanzania, United Republic of

How they compare

Tanzania, United Republic of currently reports 39.5% against 24.7% in IDA only, a difference of 14.8%.

That makes Tanzania, United Republic of's figure about 1.6 times IDA only's.

Across all 26 years both countries report, Tanzania, United Republic of has been ahead every year.

IDA only ranks 30th and Tanzania, United Republic of ranks 32nd of 47 groups.

Tanzania, United Republic of has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	IDA only	Tanzania, United Republic of	Difference	Ahead
1990s	7.9%	17.1%	9.1%	Tanzania, United Republic of
2000s	14.6%	27.2%	12.6%	Tanzania, United Republic of
2010s	20.7%	36.4%	15.7%	Tanzania, United Republic of
2020s	24.0%	37.5%	13.5%	Tanzania, United Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher proportion of seats held by women in national parliaments, IDA only or Tanzania, United Republic of?: Tanzania, United Republic of, at 39.5% against 24.7% in IDA only as of 2025.
What is the difference in proportion of seats held by women in national parliaments between IDA only and Tanzania, United Republic of?: 14.8%, with Tanzania, United Republic of ahead.
How many years of comparable data are there for IDA only and Tanzania, United Republic of?: 26 years are reported by both, from 1997 to 2025.
How do IDA only and Tanzania, United Republic of rank globally for proportion of seats held by women in national parliaments?: IDA only ranks 30th and Tanzania, United Republic of ranks 32nd of 47 groups.
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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IDA only 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/ida-only/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.