Immunization, measles (% of children ages 12-23 months) - Asia

Definition: Child immunization, measles, measures the percentage of children ages 12-23 months who received the measles vaccination before 12 months or at any time before the survey. A child is considered adequately immunized against measles after receiving one dose of vaccine.

Description: The map below shows how Immunization, measles (% of children ages 12-23 months) varies by country in Asia. The shade of the country corresponds to the magnitude of the indicator. The darker the shade, the higher the value. The country with the highest value in the region is United Arab Emirates, with a value of 99.00. The country with the lowest value in the region is Syrian Arab Republic, with a value of 59.00.

Source: WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/).

See also: Country ranking, Time series comparison

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Limitations and Exceptions: In many developing countries a lack of precise information on the size of the cohort of one-year-old children makes immunization coverage difficult to estimate from program statistics.

Statistical Concept and Methodology: Governments in developing countries usually finance immunization against measles and diphtheria, pertussis (whooping cough), and tetanus (DTP) as part of the basic public health package. The data shown here are based on an assessment of national immunization coverage rates by the WHO and UNICEF. The assessment considered both administrative data from service providers and household survey data on children's immunization histories. Based on the data available, consideration of potential biases, and contributions of local experts, the most likely true level of immunization coverage was determined for each year.

Aggregation method: Weighted average

Periodicity: Annual