Number of one-year-olds who have not received the inactivated polio vaccine in Cameroon

Cameroon: Number of one-year-olds who have not received the inactivated polio vaccine was 258,386 one-year-olds in 2023. β–Ό Falling

Latest (2023)
258,386 one-year-olds
Change on year
down 2.3%
World rank
16th
of 194 countries
All-time high
567,065 one-year-olds
in 2015
All-time low
236,555 one-year-olds
in 2016
Years of data
9
2015–2023

Number of one-year-olds who have not received the inactivated polio vaccine in Cameroon, 2015–2023

0200.0k400.0k600.0k2015201920232015: 567.1k one-year-olds2016: 236.6k one-year-olds2017: 269.4k one-year-olds2018: 276.9k one-year-olds2019: 290.6k one-year-olds2020: 268.1k one-year-olds2021: 261.9k one-year-olds2022: 264.4k one-year-olds2023: 258.4k one-year-olds

Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.

Analysis

In 2023, number of one-year-olds who have not received the inactivated polio vaccine in Cameroon stood at 258,386 one-year-olds.

Compared with earlier readings it is down 2.3% on the previous year and down 54.4% over ten years.

Over the whole period, number of one-year-olds who have not received the inactivated polio vaccine in Cameroon peaked at 567,065 one-year-olds in 2015 and was at its lowest, 236,555 one-year-olds, in 2016.

Cameroon ranks 16th of 194 countries on this measure, in the top 10%.

Averages by decade

DecadeAverage LowestHighest Years
2010s 328,103 one-year-olds 236,555 one-year-olds 567,065 one-year-olds 5
2020s 263,198 one-year-olds 258,386 one-year-olds 268,133 one-year-olds 4

Countries ranked near Cameroon

  1. 13 Madagascar 346,189 one-year-olds compare
  2. 14 Philippines 320,388 one-year-olds compare
  3. 15 China 296,692 one-year-olds compare
  4. 17 Myanmar 246,746 one-year-olds compare
  5. 18 Chad 242,358 one-year-olds compare
  6. 19 Mali 239,957 one-year-olds compare

See the full ranking of 194 places β†’

More health data for Cameroon

All data for Cameroon β†’

Frequently asked questions

What is number of one-year-olds who have not received the inactivated polio vaccine in Cameroon?
Number of one-year-olds who have not received the inactivated polio vaccine in Cameroon was 258,386 one-year-olds in 2023, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
What is the highest number of one-year-olds who have not received the inactivated polio vaccine recorded in Cameroon?
The highest recorded value was 567,065 one-year-olds in 2015.
What is the lowest number of one-year-olds who have not received the inactivated polio vaccine recorded in Cameroon?
The lowest recorded value was 236,555 one-year-olds in 2016.
How does Cameroon rank for number of one-year-olds who have not received the inactivated polio vaccine?
Cameroon ranks 16th out of 194 countries with data for 2023.
Is number of one-year-olds who have not received the inactivated polio vaccine rising or falling in Cameroon?
Over the last ten years it is down 54.4%. The long-run trend across the full record is falling.
Where does this Cameroon data come from?
The figures come from WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Number of one-year-olds who have not received the inactivated polio vaccine. Statizoid updates them automatically from the source API.

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About this data

Indicator
Number of one-year-olds who have not received the inactivated polio vaccine
Unit
one-year-olds
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, 1,629 data points, 2015–2023
Last refreshed

Number of one-year-olds who have not had the first dose of the inactivated polio vaccine in a given year.