Number of one-year-olds who are not vaccinated against diphtheria in Congo
Congo: Number of one-year-olds who are not vaccinated against diphtheria was 0.1158 one-year-olds per square kilometre in 2023. ▲ Rising
Number of one-year-olds who are not vaccinated against diphtheria in Congo, 1980–2023
Source: Statizoid (derived). Measured in one-year-olds per square kilometre.
Analysis
In 2023, number of one-year-olds who are not vaccinated against diphtheria in Congo stood at 0.1158 one-year-olds per square kilometre.
That represents a change of up 1.2% on the previous year and up 55.3% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in Congo peaked at 0.2224 one-year-olds per square kilometre in 1997 and was at its lowest, 0.05 one-year-olds per square kilometre, in 2014.
Congo ranks 99th of 192 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 44 years of available data.
Number of one-year-olds who are not vaccinated against diphtheria in Congo, year by year
| Year | one-year-olds per square kilometre | Change |
|---|---|---|
| 1980 | 0.1142 one-year-olds per square kilometre | — |
| 1981 | 0.1153 one-year-olds per square kilometre | +1.0% |
| 1982 | 0.1069 one-year-olds per square kilometre | -7.3% |
| 1983 | 0.1016 one-year-olds per square kilometre | -4.9% |
| 1984 | 0.0964 one-year-olds per square kilometre | -5.2% |
| 1985 | 0.0979 one-year-olds per square kilometre | +1.5% |
| 1986 | 0.0641 one-year-olds per square kilometre | -34.4% |
| 1987 | 0.0634 one-year-olds per square kilometre | -1.1% |
| 1988 | 0.065 one-year-olds per square kilometre | +2.5% |
| 1989 | 0.05 one-year-olds per square kilometre | -23.1% |
| 1990 | 0.0513 one-year-olds per square kilometre | +2.5% |
| 1991 | 0.065 one-year-olds per square kilometre | +26.8% |
| 1992 | 0.0845 one-year-olds per square kilometre | +30.0% |
| 1993 | 0.105 one-year-olds per square kilometre | +24.3% |
| 1994 | 0.1211 one-year-olds per square kilometre | +15.3% |
| 1995 | 0.1382 one-year-olds per square kilometre | +14.1% |
| 1996 | 0.1785 one-year-olds per square kilometre | +29.2% |
| 1997 | 0.2224 one-year-olds per square kilometre | +24.6% |
| 1998 | 0.2178 one-year-olds per square kilometre | -2.0% |
| 1999 | 0.2118 one-year-olds per square kilometre | -2.8% |
| 2000 | 0.2029 one-year-olds per square kilometre | -4.2% |
| 2001 | 0.2133 one-year-olds per square kilometre | +5.1% |
| 2002 | 0.1888 one-year-olds per square kilometre | -11.5% |
| 2003 | 0.1671 one-year-olds per square kilometre | -11.5% |
| 2004 | 0.1138 one-year-olds per square kilometre | -31.9% |
| 2005 | 0.1322 one-year-olds per square kilometre | +16.2% |
| 2006 | 0.0968 one-year-olds per square kilometre | -26.8% |
| 2007 | 0.1047 one-year-olds per square kilometre | +8.1% |
| 2008 | 0.0808 one-year-olds per square kilometre | -22.9% |
| 2009 | 0.085 one-year-olds per square kilometre | +5.2% |
| 2010 | 0.1074 one-year-olds per square kilometre | +26.5% |
| 2011 | 0.0802 one-year-olds per square kilometre | -25.4% |
| 2012 | 0.0735 one-year-olds per square kilometre | -8.3% |
| 2013 | 0.0746 one-year-olds per square kilometre | +1.5% |
| 2014 | 0.05 one-year-olds per square kilometre | -33.0% |
| 2015 | 0.0998 one-year-olds per square kilometre | +99.8% |
| 2016 | 0.1447 one-year-olds per square kilometre | +45.0% |
| 2017 | 0.1549 one-year-olds per square kilometre | +7.0% |
| 2018 | 0.1254 one-year-olds per square kilometre | -19.0% |
| 2019 | 0.106 one-year-olds per square kilometre | -15.5% |
| 2020 | 0.1371 one-year-olds per square kilometre | +29.4% |
| 2021 | 0.118 one-year-olds per square kilometre | -14.0% |
| 2022 | 0.1144 one-year-olds per square kilometre | -3.1% |
| 2023 | 0.1158 one-year-olds per square kilometre | +1.2% |
Congo compared with similar countries
- Congo's 0.1158 one-year-olds per square kilometre is below the median for lower middle income countries, which is 0.2635 one-year-olds per square kilometre, 44% of the median. (46 countries reporting)
- Congo's 0.1158 one-year-olds per square kilometre is below the median for Sub-Saharan Africa, which is 0.2848 one-year-olds per square kilometre, 41% of the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.0875 one-year-olds per square kilometre | 0.05 one-year-olds per square kilometre | 0.1153 one-year-olds per square kilometre | 10 |
| 1990s | 0.1396 one-year-olds per square kilometre | 0.0513 one-year-olds per square kilometre | 0.2224 one-year-olds per square kilometre | 10 |
| 2000s | 0.1385 one-year-olds per square kilometre | 0.0808 one-year-olds per square kilometre | 0.2133 one-year-olds per square kilometre | 10 |
| 2010s | 0.1017 one-year-olds per square kilometre | 0.05 one-year-olds per square kilometre | 0.1549 one-year-olds per square kilometre | 10 |
| 2020s | 0.1213 one-year-olds per square kilometre | 0.1144 one-year-olds per square kilometre | 0.1371 one-year-olds per square kilometre | 4 |
Countries ranked near Congo
- 96 Zimbabwe 0.1219 one-year-olds per square kilometre compare
- 97 Solomon Islands 0.1197 one-year-olds per square kilometre compare
- 98 Seychelles 0.1177 one-year-olds per square kilometre compare
- 100 Niger 0.114 one-year-olds per square kilometre compare
- 101 Cape Verde 0.1109 one-year-olds per square kilometre compare
- 102 Kyrgyzstan 0.1095 one-year-olds per square kilometre compare
More health data for Congo
- Un projection of annual infant deaths, annual growth rate -0.4813 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.9705 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 759.5 deaths per 1,000 people (2090)
- Number of infants who die before age 1 2,688 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 11 (2025)
- Population ages 00-04, female, annual growth rate 1.44 % 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 0.0695 units per person (2025)
- Population ages 00-04, male, annual growth rate 1.45 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
Frequently asked questions
- What is number of one-year-olds who are not vaccinated against diphtheria in Congo?
- Number of one-year-olds who are not vaccinated against diphtheria in Congo was 0.1158 one-year-olds per square kilometre in 2023, according to Statizoid (derived).
- What is the highest number of one-year-olds who are not vaccinated against diphtheria recorded in Congo?
- The highest recorded value was 0.2224 one-year-olds per square kilometre in 1997.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria recorded in Congo?
- The lowest recorded value was 0.05 one-year-olds per square kilometre in 2014.
- How does Congo rank for number of one-year-olds who are not vaccinated against diphtheria?
- Congo ranks 99th out of 192 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against diphtheria rising or falling in Congo?
- Over the last ten years it is up 55.3%. The long-run trend across the full record is rising.
- Where does this Congo data come from?
- The figures come from Statizoid (derived), published as part of Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus, per square kilometre. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 44 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus ÷ Land area (sq. km)
Computed from
- Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data
- Land area FAOSTAT, Food and Agriculture Organization of the United Nations (FAO)
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.