Child immunization measures the percentage of children ages 12-23 months who received vaccinations before 12 months or at any time before the survey. A child is considered adequately immunized against diphtheria, pertussis (or whooping cough), and tetanus (DPT) after receiving three doses of vaccine.

Immunization against DPT as a share of children ages 12-23 months (%)

19902000200520102011201220132014201520162017201820192020202120222023
China97.085.087.099.099.099.099.099.099.099.099.099.099.099.099.099.097.0
France94.097.098.099.099.099.099.098.097.096.096.096.096.096.096.096.096.0
Russian Federation96.098.097.097.097.097.097.097.097.097.097.097.097.097.097.097.0
United Kingdom84.091.091.094.095.095.095.095.095.094.094.094.093.093.093.092.092.0
United States90.094.096.095.096.094.094.095.095.095.094.094.094.093.094.094.094.0