When selecting more than one component from the same geographical level, Social Explorer provides a total for these components in the "All Selected Geographies" column. This total is for the available geographies only within the same geographical level. When a value is missing from one or more components from the same geographical level, Social Explorer denotes it with an asterisk (*) in the All Selected Geographies column.

Total value of a final output variable for multiple geographies selection should not be taken into consideration in case of the following:
-- Variable that is being used together with any other non-empty variable in calculation of the final output variable (e.g. rate calculation) has null or N/A value in the same geography selection.

The data values for European Union, European Area and European Free Trade Association regions are pre-summed based on the available data for countries that are part of these geographical regions in the selected year.