The Immunization Summary is an app for visualizing (tables, graphs, maps) data on policies, activities and impact of national immunization systems.

These data are reported by WHO & UNICEF member states annually for incidence, coverage and immunization indicators;

The WHO UNICEF estimates of national immunization coverage constitute an independent technical assessment of coverage;

The population data are provided by the United Nations’ “Population Division. The World Population Prospects - the 2012 revision. New York, 2013.” With the exception of the infant and child mortality figures which are provided by WHO’s “World Health Statistics 2013, data for 2012.”

The GNI & GDP data are taken from "The 2013 World Bank Development Indicators Online".

Data are available from 1980 to 2013 (as of 14 July 2014) for a 195 countries or territories.