IDA only vs Tanzania: Proportion of seats held by women in national parliaments (%)
IDA only
24.7%
in 2025
Tanzania
39.5%
in 2025
IDA only rank
30th
Tanzania rank
32nd
Proportion of seats held by women in national parliaments (%) over time
- IDA only
- Tanzania
How they compare
Tanzania currently reports 39.5% against 24.7% in IDA only, a difference of 14.8%.
That makes Tanzania's figure about 1.6 times IDA only's.
Across all 26 years both countries report, Tanzania has been ahead every year.
IDA only ranks 30th and Tanzania ranks 32nd of 47 groups.
Tanzania has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | IDA only | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 7.9% | 17.1% | 9.1% | Tanzania |
| 2000s | 14.6% | 27.2% | 12.6% | Tanzania |
| 2010s | 20.7% | 36.4% | 15.7% | Tanzania |
| 2020s | 24.0% | 37.5% | 13.5% | Tanzania |
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?
- Tanzania, 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?
- 14.8%, with Tanzania ahead.
- How many years of comparable data are there for IDA only and Tanzania?
- 26 years are reported by both, from 1997 to 2025.
- How do IDA only and Tanzania rank globally for proportion of seats held by women in national parliaments?
- IDA only ranks 30th and Tanzania 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.
Individual pages
About this data
Women in parliaments are the percentage of parliamentary seats in a single or lower chamber held by women.