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
Australia95.090.092.092.092.092.091.092.093.094.095.095.095.095.095.094.094.0
Indonesia60.075.072.081.081.087.092.088.084.084.085.085.085.077.067.091.083.0
Malaysia90.098.096.096.096.097.097.097.099.098.099.099.098.098.095.097.097.0
New Zealand90.090.089.093.095.093.092.093.092.092.094.093.092.092.090.089.088.0
Philippines88.078.089.088.089.089.084.079.074.084.084.084.084.083.069.084.089.0
Thailand92.097.098.099.099.099.099.099.099.099.099.097.097.097.092.092.092.0
Vietnam88.096.095.093.095.097.059.095.097.096.094.075.089.094.083.091.065.0
Argentina87.083.098.094.091.091.094.094.094.092.086.086.083.074.081.084.066.0
Brazil66.098.099.099.099.095.097.093.096.089.083.087.070.077.068.077.090.0
Chile95.091.091.092.094.090.091.095.096.095.093.095.096.093.095.096.096.0
Colombia88.079.093.088.085.091.091.090.091.091.092.092.094.088.086.087.090.0
Costa Rica95.088.091.088.085.091.095.091.092.097.096.094.095.097.093.095.099.0
Guatemala66.081.087.094.088.096.096.074.070.083.091.085.088.090.080.081.083.0
Paraguay67.086.096.091.092.091.091.093.092.092.091.088.086.079.070.069.071.0
Peru72.098.077.093.091.095.088.088.090.090.089.089.088.072.082.082.084.0
Uruguay97.090.096.095.095.095.094.095.095.095.093.091.094.092.091.094.095.0
Canada88.089.093.089.087.091.091.091.091.091.091.091.091.092.092.092.092.0
Pakistan54.059.063.052.063.064.065.069.072.075.075.080.084.080.083.085.086.0
South Africa72.073.081.077.075.071.081.085.085.085.084.082.085.084.086.085.079.0