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

45 years are reported by both, from 1980 to 2024.

Where does this data come from?

WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/), published as Immunization, Pol3 (% of one-year-old children). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Peru vs Tanzania, United Republic of: Immunization, Pol3

Peru

80.0%

in 2024

Tanzania, United Republic of

80.0%

in 2024

Peru rank

141st

Tanzania, United Republic of rank

141st

Immunization, Pol3 over time

Peru
Tanzania, United Republic of

How they compare

Peru currently reports 80.0% against 80.0% in Tanzania, United Republic of, a difference of 0.0%.

The two have swapped places 12 times across 45 shared years of data; in 1980 it was Tanzania, United Republic of ahead.

Peru ranks 141st and Tanzania, United Republic of ranks 141st of 193 countries.

Across the 5 decades both report, Peru averaged higher in 3 and Tanzania, United Republic of in 2.

Head to head by decade

Decade	Peru	Tanzania, United Republic of	Difference	Ahead
1980s	37.2%	61.2%	24.0%	Tanzania, United Republic of
1990s	86.9%	79.3%	7.6%	Peru
2000s	89.2%	85.9%	3.3%	Peru
2010s	86.4%	90.0%	3.6%	Tanzania, United Republic of
2020s	79.4%	73.4%	6.0%	Peru

Averages of every year both report within each decade.

Frequently asked questions

Which has higher immunization, pol3, Peru or Tanzania, United Republic of?: Peru, at 80.0% against 80.0% in Tanzania, United Republic of as of 2024.
What is the difference in immunization, pol3 between Peru and Tanzania, United Republic of?: 0.0%, with Peru ahead.
How many years of comparable data are there for Peru and Tanzania, United Republic of?: 45 years are reported by both, from 1980 to 2024.
How do Peru and Tanzania, United Republic of rank globally for immunization, pol3?: Peru ranks 141st and Tanzania, United Republic of ranks 141st of 193 countries.
Where does this data come from?: WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/), published as Immunization, Pol3 (% of one-year-old children). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Peru vs Tanzania, United Republic of: Immunization, Pol3. Statizoid, drawing on WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/). Retrieved 11 September 2026, from https://health.statizoid.com/compare/immunization-pol3-percent-of-one-year-old-children/peru/tanzania/

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About this data

Indicator: Immunization, Pol3 (% of one-year-old children)
Unit: % of one-year-old children
Source: WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 236 places, 9,949 data points, 1980–2024
Last refreshed: 03 September 2026

Child immunization rate, polio, is the percentage of children ages 12-23 months who received polio vaccinations before 12 months or at any time before the survey. A child is considered adequately immunized after three doses.