What is the difference in vaccination against measles vs. share who think vaccines are unsafe between Sierra Leone and Tanzania, United Republic of?

1.0%, with Tanzania, United Republic of ahead.

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

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

Sierra Leone vs Tanzania, United Republic of: Vaccination against measles vs. share who think vaccines are unsafe

Sierra Leone

73.0%

in 2024

Tanzania, United Republic of

74.0%

in 2024

Sierra Leone rank

133rd

Tanzania, United Republic of rank

130th

Vaccination against measles vs. share who think vaccines are unsafe over time

Sierra Leone
Tanzania, United Republic of

How they compare

Tanzania, United Republic of 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 133rd and Tanzania, United Republic of ranks 130th of 179 countries.

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

Head to head by decade

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

Averages of every year both report within each decade.

Frequently asked questions

Which has higher vaccination against measles vs. share who think vaccines are unsafe, Sierra Leone or Tanzania, United Republic of?: Tanzania, United Republic of, at 74.0% against 73.0% in Sierra Leone as of 2024.
What is the difference in vaccination against measles vs. share who think vaccines are unsafe between Sierra Leone and Tanzania, United Republic of?: 1.0%, with Tanzania, United Republic of ahead.
How many years of comparable data are there for Sierra Leone and Tanzania, United Republic of?: 10 years are reported by both, from 2015 to 2024.
How do Sierra Leone and Tanzania, United Republic of rank globally for vaccination against measles vs. share who think vaccines are unsafe?: Sierra Leone ranks 133rd and Tanzania, United Republic of ranks 130th of 179 countries.
Where does this data come from?: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Vaccination against measles vs. share who think vaccines are unsafe. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Tanzania, United Republic of: Vaccination against measles vs. share who think vaccines are unsafe. Statizoid, drawing on WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 03 September 2026, from https://health.statizoid.com/compare/immunization-measles-vs-vaccine-safety/sierra-leone/tanzania/

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About this data

Indicator: Vaccination against measles vs. share who think vaccines are unsafe
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: 179 places, 3,402 data points, 2000–2024
Last refreshed: 28 August 2026

Share of children who have had two doses of the measles vaccine in a given year.