This statistic shows the countries with the smallest percentage of one-year-olds who had received a Diphtheria-tetanus-pertussis (DTP3) vaccination in 2020. In that year, only around 39 percent of one-year-olds in Papua New Guinea had received a DTP3 vaccination.
Countries with the smallest percentage of infants who had received a Diphtheria-tetanus-pertussis (DTP3) vaccination in 2020
Characteristic
Percentage of one-year-olds
Papua New Guinea
39%
Somalia
42%
Central African Republic
42%
Guinea
47%
Syrian Arab Republic
49%
South Sudan
49%
Angola
51%
Haiti
51%
Suriname
51%
Chad
52%
Equatorial Guinea
53%
Nigeria
57%
Democratic Republic of the Congo
57%
0%5%10%15%20%25%30%35%40%45%50%55%60%65%70%75%80%
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WHO. (May 20, 2022). Countries with the smallest percentage of infants who had received a Diphtheria-tetanus-pertussis (DTP3) vaccination in 2020 [Graph]. In Statista. Retrieved June 04, 2025, from https://www.statista.com/statistics/711326/ranking-of-bottom-20-countries-for-dtp3-immunization-coverage/
WHO. "Countries with the smallest percentage of infants who had received a Diphtheria-tetanus-pertussis (DTP3) vaccination in 2020." Chart. May 20, 2022. Statista. Accessed June 04, 2025. https://www.statista.com/statistics/711326/ranking-of-bottom-20-countries-for-dtp3-immunization-coverage/
WHO. (2022). Countries with the smallest percentage of infants who had received a Diphtheria-tetanus-pertussis (DTP3) vaccination in 2020. Statista. Statista Inc.. Accessed: June 04, 2025. https://www.statista.com/statistics/711326/ranking-of-bottom-20-countries-for-dtp3-immunization-coverage/
WHO. "Countries with The Smallest Percentage of Infants Who Had Received a Diphtheria-tetanus-pertussis (Dtp3) Vaccination in 2020." Statista, Statista Inc., 20 May 2022, https://www.statista.com/statistics/711326/ranking-of-bottom-20-countries-for-dtp3-immunization-coverage/
WHO, Countries with the smallest percentage of infants who had received a Diphtheria-tetanus-pertussis (DTP3) vaccination in 2020 Statista, https://www.statista.com/statistics/711326/ranking-of-bottom-20-countries-for-dtp3-immunization-coverage/ (last visited June 04, 2025)
Countries with the smallest percentage of infants who had received a Diphtheria-tetanus-pertussis (DTP3) vaccination in 2020 [Graph], WHO, May 20, 2022. [Online]. Available: https://www.statista.com/statistics/711326/ranking-of-bottom-20-countries-for-dtp3-immunization-coverage/
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