Estonia vs Tanzania: Share of one-year-olds who received the inactivated polio vaccine

Estonia
82.0%
in 2024
Tanzania
83.0%
in 2024
Estonia rank
146th
Tanzania rank
143rd

Share of one-year-olds who received the inactivated polio vaccine over time

  • Estonia
  • Tanzania
020406080100201520192024

How they compare

Tanzania currently reports 83.0% against 82.0% in Estonia, a difference of 1.0%.

The two have swapped places 3 times across 7 shared years of data; in 2018 it was Estonia ahead.

Estonia ranks 146th and Tanzania ranks 143rd of 194 countries.

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

Head to head by decade

Decade Estonia Tanzania Difference Ahead
2010s 93.0% 73.5% 19.5% Estonia
2020s 87.2% 86.0% 1.2% Estonia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of one-year-olds who received the inactivated polio vaccine, Estonia or Tanzania?
Tanzania, at 83.0% against 82.0% in Estonia as of 2024.
What is the difference in share of one-year-olds who received the inactivated polio vaccine between Estonia and Tanzania?
1.0%, with Tanzania ahead.
How many years of comparable data are there for Estonia and Tanzania?
7 years are reported by both, from 2018 to 2024.
How do Estonia and Tanzania rank globally for share of one-year-olds who received the inactivated polio vaccine?
Estonia ranks 146th and Tanzania ranks 143rd of 194 countries.
Where does this data come from?
WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Share of one-year-olds who received the inactivated polio vaccine. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Share of one-year-olds who received the inactivated polio vaccine
Unit
%
Source
WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
194 places, 1,823 data points, 2015–2024
Last refreshed

Share of one-year-olds who have had the first dose of the inactivated polio vaccine in a given year.