Kuwait is being the top country by immunization, DPT in the world. As of 2015, immunization, DPT in Kuwait was 99 % of children ages 12-23 months. The top 5 countries also includes Jordan, Malaysia, Luxembourg, and Monaco.
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.