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
Argentina87.083.098.094.091.091.094.094.094.092.086.086.083.074.081.084.066.0
Bolivia41.075.085.091.095.093.087.085.089.087.084.083.075.068.070.069.067.0
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
Cuba92.095.089.096.097.099.099.099.099.099.099.099.099.099.099.099.099.0
Ecuador68.087.092.091.088.087.087.083.078.083.085.085.085.070.072.070.070.0
Mexico53.097.098.095.097.099.083.087.087.093.085.088.082.072.078.083.085.0
Panama86.098.092.094.087.085.080.080.073.086.081.088.088.074.087.082.066.0
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
Venezuela, RB63.077.087.078.078.081.082.078.087.084.066.060.064.054.056.043.054.0