Number of one-year-olds who are not fully vaccinated against in Cameroon

Cameroon: Number of one-year-olds who are not fully vaccinated against was 222,746 one-year-olds in 2023. ▼ Falling

Latest (2023)
222,746 one-year-olds
Change on year
down 12.8%
World rank
23rd
of 195 countries
All-time high
319,210 one-year-olds
in 1981
All-time low
106,508 one-year-olds
in 2008
Years of data
43
1981–2023

Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Cameroon, 1981–2023

100.0k150.0k200.0k250.0k300.0k1981200220231981: 319.2k one-year-olds1982: 295.8k one-year-olds1983: 270.5k one-year-olds1984: 268.7k one-year-olds1985: 250.5k one-year-olds1986: 234.4k one-year-olds1987: 222.6k one-year-olds1988: 205.2k one-year-olds1989: 185.2k one-year-olds1990: 223.8k one-year-olds1991: 255.3k one-year-olds1992: 284.1k one-year-olds1993: 290.3k one-year-olds1994: 291.0k one-year-olds1995: 257.9k one-year-olds1996: 262.0k one-year-olds1997: 255.8k one-year-olds1998: 220.1k one-year-olds1999: 210.2k one-year-olds2000: 200.6k one-year-olds2001: 200.5k one-year-olds2002: 188.5k one-year-olds2003: 153.9k one-year-olds2004: 159.2k one-year-olds2005: 122.2k one-year-olds2006: 119.9k one-year-olds2007: 116.8k one-year-olds2008: 106.5k one-year-olds2009: 136.6k one-year-olds2010: 112.0k one-year-olds2011: 135.8k one-year-olds2012: 152.7k one-year-olds2013: 177.4k one-year-olds2014: 180.5k one-year-olds2015: 183.9k one-year-olds2016: 173.5k one-year-olds2017: 212.2k one-year-olds2018: 268.5k one-year-olds2019: 282.1k one-year-olds2020: 276.8k one-year-olds2021: 253.2k one-year-olds2022: 255.6k one-year-olds2023: 222.7k one-year-olds

Source: WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.

Analysis

Cameroon recorded 222,746 one-year-olds for number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in 2023.

The figure is down 12.8% on the previous year and up 25.6% over ten years.

Over the whole period, number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Cameroon peaked at 319,210 one-year-olds in 1981 and was at its lowest, 106,508 one-year-olds, in 2008.

Cameroon ranks 23rd of 195 countries on this measure, in the top quarter.

The long-run direction has been consistently falling across the 43 years of available data.

Number of one-year-olds who are not fully vaccinated against in Cameroon, year by year

Annual values for Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Cameroon, 1981 to 2023.
Year one-year-olds Change
1981 319,210 one-year-olds —
1982 295,844 one-year-olds -7.3%
1983 270,516 one-year-olds -8.6%
1984 268,710 one-year-olds -0.7%
1985 250,492 one-year-olds -6.8%
1986 234,450 one-year-olds -6.4%
1987 222,610 one-year-olds -5.1%
1988 205,177 one-year-olds -7.8%
1989 185,217 one-year-olds -9.7%
1990 223,760 one-year-olds +20.8%
1991 255,288 one-year-olds +14.1%
1992 284,130 one-year-olds +11.3%
1993 290,320 one-year-olds +2.2%
1994 290,973 one-year-olds +0.2%
1995 257,865 one-year-olds -11.4%
1996 261,953 one-year-olds +1.6%
1997 255,790 one-year-olds -2.4%
1998 220,129 one-year-olds -13.9%
1999 210,184 one-year-olds -4.5%
2000 200,577 one-year-olds -4.6%
2001 200,473 one-year-olds -0.1%
2002 188,474 one-year-olds -6.0%
2003 153,885 one-year-olds -18.4%
2004 159,221 one-year-olds +3.5%
2005 122,165 one-year-olds -23.3%
2006 119,901 one-year-olds -1.9%
2007 116,815 one-year-olds -2.6%
2008 106,508 one-year-olds -8.8%
2009 136,574 one-year-olds +28.2%
2010 111,984 one-year-olds -18.0%
2011 135,838 one-year-olds +21.3%
2012 152,732 one-year-olds +12.4%
2013 177,386 one-year-olds +16.1%
2014 180,464 one-year-olds +1.7%
2015 183,913 one-year-olds +1.9%
2016 173,474 one-year-olds -5.7%
2017 212,222 one-year-olds +22.3%
2018 268,534 one-year-olds +26.5%
2019 282,061 one-year-olds +5.0%
2020 276,782 one-year-olds -1.9%
2021 253,158 one-year-olds -8.5%
2022 255,573 one-year-olds +1.0%
2023 222,746 one-year-olds -12.8%

Cameroon compared with similar countries

  • Cameroon's 222,746 one-year-olds is above the median for lower middle income countries, which is 40,226 one-year-olds, 5.5× the median. (47 countries reporting)
  • Cameroon's 222,746 one-year-olds is above the median for Sub-Saharan Africa, which is 52,290 one-year-olds, 4.3× the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1980s 250,247 one-year-olds 185,217 one-year-olds 319,210 one-year-olds 9
1990s 255,039 one-year-olds 210,184 one-year-olds 290,973 one-year-olds 10
2000s 150,459 one-year-olds 106,508 one-year-olds 200,577 one-year-olds 10
2010s 187,861 one-year-olds 111,984 one-year-olds 282,061 one-year-olds 10
2020s 252,065 one-year-olds 222,746 one-year-olds 276,782 one-year-olds 4

Countries ranked near Cameroon

  1. 20 South Africa 251,724 one-year-olds compare
  2. 21 Chad 242,358 one-year-olds compare
  3. 22 United States 223,065 one-year-olds compare
  4. 24 Somalia 217,474 one-year-olds compare
  5. 25 Mali 205,677 one-year-olds compare
  6. 26 Philippines 195,793 one-year-olds compare

See the full ranking of 195 places →

More health data for Cameroon

All data for Cameroon →

Frequently asked questions

What is number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Cameroon?
Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Cameroon was 222,746 one-year-olds in 2023, according to WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data.
What is the highest number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus recorded in Cameroon?
The highest recorded value was 319,210 one-year-olds in 1981.
What is the lowest number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus recorded in Cameroon?
The lowest recorded value was 106,508 one-year-olds in 2008.
How does Cameroon rank for number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus?
Cameroon ranks 23rd out of 195 countries with data for 2023.
Is number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus rising or falling in Cameroon?
Over the last ten years it is up 25.6%. The long-run trend across the full record is falling.
Where does this Cameroon data come from?
The figures come from WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 43 observations, free to reuse under CC BY 4.0 (Our World in Data).

Share, cite or embed this page

Cite this page

Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Cameroon. Statizoid, drawing on WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 10 November 2026, from https://health.statizoid.com/stat/dtp3-children-unvaccinated/cameroon/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://health.statizoid.com/stat/dtp3-children-unvaccinated/cameroon/">Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Cameroon</a> — Statizoid

About this data

Indicator
Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus
Unit
one-year-olds
Source
WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
195 places, 7,950 data points, 1980–2023
Last refreshed

Number of one-year-olds who have not had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.