Which has higher immunization, measles second dose, Sierra Leone or Tanzania?

Tanzania, at 74.0% against 73.0% in Sierra Leone as of 2024.

How many years of comparable data are there for Sierra Leone and Tanzania?

10 years are reported by both, from 2015 to 2024.

Where does this data come from?

WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/), published as Immunization, measles second dose (% of children by the nationally recommended age). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Sierra Leone vs Tanzania: Immunization, measles second dose (% of children by the nationally)

Sierra Leone

73.0%

in 2024

Tanzania

74.0%

in 2024

Sierra Leone rank

132nd

Tanzania rank

129th

Immunization, measles second dose (% of children by the nationally) over time

Sierra Leone
Tanzania

How they compare

Tanzania currently reports 74.0% against 73.0% in Sierra Leone, a difference of 1.0%.

The two have swapped places 3 times across 10 shared years of data; in 2015 it was Sierra Leone ahead.

Sierra Leone ranks 132nd and Tanzania ranks 129th of 178 countries.

Across the 2 decades both report, Sierra Leone averaged higher in 1 and Tanzania in 1.

Head to head by decade

Decade	Sierra Leone	Tanzania	Difference	Ahead
2010s	60.2%	64.2%	4.0%	Tanzania
2020s	70.6%	69.2%	1.4%	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher immunization, measles second dose, Sierra Leone or Tanzania?: Tanzania, at 74.0% against 73.0% in Sierra Leone as of 2024.
What is the difference in immunization, measles second dose between Sierra Leone and Tanzania?: 1.0%, with Tanzania ahead.
How many years of comparable data are there for Sierra Leone and Tanzania?: 10 years are reported by both, from 2015 to 2024.
How do Sierra Leone and Tanzania rank globally for immunization, measles second dose?: Sierra Leone ranks 132nd and Tanzania ranks 129th of 178 countries.
Where does this data come from?: WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/), published as Immunization, measles second dose (% of children by the nationally recommended age). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Tanzania: Immunization, measles second dose. Statizoid, drawing on WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/). Retrieved 12 November 2026, from https://health.statizoid.com/compare/immunization-measles-second-dose-percent-of-children-by-the-nationally-recommended-age/sierra-leone/tanzania/

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<a href="https://health.statizoid.com/compare/immunization-measles-second-dose-percent-of-children-by-the-nationally-recommended-age/sierra-leone/tanzania/">Sierra Leone vs Tanzania: Immunization, measles second dose</a> — Statizoid

About this data

Indicator: Immunization, measles second dose (% of children by the nationally recommended age)
Unit: % of children by the nationally recommended age
Source: WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 221 places, 4,472 data points, 1997–2024
Last refreshed: 29 October 2026

Child immunization, measles second dose, measures the percentage of children who received two dose of measles containing vaccine according to nationally recommended schedule through routine immunization services in a given year.