Number of one-year-olds who are not fully vaccinated against in Peru
Peru: Number of one-year-olds who are not fully vaccinated against was 85,903 one-year-olds in 2023. ◆ Volatile
Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Peru, 1980–2023
Source: WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.
Analysis
Peru recorded 85,903 one-year-olds for number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in 2023.
Compared with earlier readings it is down 11.4% on the previous year and up 27.4% over ten years.
Over the whole period, number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Peru peaked at 474,800 one-year-olds in 1980 and was at its lowest, 6,195 one-year-olds, in 1999.
Peru ranks 43rd of 195 countries on this measure, in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Number of one-year-olds who are not fully vaccinated against in Peru, year by year
| Year | one-year-olds | Change |
|---|---|---|
| 1980 | 474,800 one-year-olds | — |
| 1981 | 457,205 one-year-olds | -3.7% |
| 1982 | 444,910 one-year-olds | -2.7% |
| 1983 | 450,653 one-year-olds | +1.3% |
| 1984 | 427,740 one-year-olds | -5.1% |
| 1985 | 313,643 one-year-olds | -26.7% |
| 1986 | 305,959 one-year-olds | -2.4% |
| 1987 | 353,456 one-year-olds | +15.5% |
| 1988 | 250,736 one-year-olds | -29.1% |
| 1989 | 265,841 one-year-olds | +6.0% |
| 1990 | 178,694 one-year-olds | -32.8% |
| 1991 | 185,946 one-year-olds | +4.1% |
| 1992 | 109,211 one-year-olds | -41.3% |
| 1993 | 83,452 one-year-olds | -23.6% |
| 1994 | 83,180 one-year-olds | -0.3% |
| 1995 | 63,684 one-year-olds | -23.4% |
| 1996 | 37,977 one-year-olds | -40.4% |
| 1997 | 62,839 one-year-olds | +65.5% |
| 1998 | 37,425 one-year-olds | -40.4% |
| 1999 | 6,195 one-year-olds | -83.4% |
| 2000 | 12,319 one-year-olds | +98.8% |
| 2001 | 61,302 one-year-olds | +397.6% |
| 2002 | 30,281 one-year-olds | -50.6% |
| 2003 | 35,862 one-year-olds | +18.4% |
| 2004 | 83,407 one-year-olds | +132.6% |
| 2005 | 137,918 one-year-olds | +65.4% |
| 2006 | 36,142 one-year-olds | -73.8% |
| 2007 | 42,003 one-year-olds | +16.2% |
| 2008 | 41,771 one-year-olds | -0.6% |
| 2009 | 41,287 one-year-olds | -1.2% |
| 2010 | 40,663 one-year-olds | -1.5% |
| 2011 | 51,400 one-year-olds | +26.4% |
| 2012 | 28,313 one-year-olds | -44.9% |
| 2013 | 67,429 one-year-olds | +138.2% |
| 2014 | 66,496 one-year-olds | -1.4% |
| 2015 | 54,801 one-year-olds | -17.6% |
| 2016 | 54,222 one-year-olds | -1.1% |
| 2017 | 59,232 one-year-olds | +9.2% |
| 2018 | 59,220 one-year-olds | -0.0% |
| 2019 | 64,735 one-year-olds | +9.3% |
| 2020 | 151,327 one-year-olds | +133.8% |
| 2021 | 97,329 one-year-olds | -35.7% |
| 2022 | 96,999 one-year-olds | -0.3% |
| 2023 | 85,903 one-year-olds | -11.4% |
Peru compared with similar countries
- Peru's 85,903 one-year-olds is above the median for upper middle income countries, which is 4,976 one-year-olds, 17.3× the median. (58 countries reporting)
- Peru's 85,903 one-year-olds is above the median for Latin America & Caribbean, which is 2,993 one-year-olds, 28.7× the median. (33 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not fully vaccinated against in Peru changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2001 | +397.6% | 12,319 one-year-olds | 61,302 one-year-olds |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 374,494 one-year-olds | 250,736 one-year-olds | 474,800 one-year-olds | 10 |
| 1990s | 84,860 one-year-olds | 6,195 one-year-olds | 185,946 one-year-olds | 10 |
| 2000s | 52,229 one-year-olds | 12,319 one-year-olds | 137,918 one-year-olds | 10 |
| 2010s | 54,651 one-year-olds | 28,313 one-year-olds | 67,429 one-year-olds | 10 |
| 2020s | 107,889 one-year-olds | 85,903 one-year-olds | 151,327 one-year-olds | 4 |
Countries ranked near Peru
More health data for Peru
- Un projection of annual infant deaths, annual growth rate -1.88 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.5045 % change on previous year (2090)
- Number of infants who die before age 1 782 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 2 (2025)
- Population ages 00-04, female, annual growth rate -0.3081 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.038 units per person (2025)
- Population ages 00-04, male, annual growth rate -0.302 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, male, per capita 0.0394 units per person (2025)
Frequently asked questions
- What is number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Peru?
- Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Peru was 85,903 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 Peru?
- The highest recorded value was 474,800 one-year-olds in 1980.
- What is the lowest number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus recorded in Peru?
- The lowest recorded value was 6,195 one-year-olds in 1999.
- How does Peru rank for number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus?
- Peru ranks 43rd 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 Peru?
- Over the last ten years it is up 27.4%. The long-run trend across the full record is volatile.
- Where does this Peru 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.
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About this data
Number of one-year-olds who have not had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.