Real GDP per capita is: 1. used only by the United Nations to compare nations based on measures of welfare. 2. a perfect measure of a country's standard of living. 3. an incomplete measure of a country's standard of living. 4. the only way to measure living standards among different countries.

AN INCOMPLETE MEASURE OF A COUNTY'S STANDARD OF LIVING.

Explanation:

It is a measure of the total output of a country's goods and services within a specific period. However, it is limited in the measure of a country's welfare. For instance, unpaid household or domestic work are not reflected.

The correct option is option "4" which is

"the only way to measure living standards among different countries."

Explanation:

Though, it is not the only way but arelaible way.

Real GDP per Capita: Real GDP divided by Population. This is the "average" output of the economy per person measured in a base year prices. This ratio is often used as a measure of standard of living in comparisons over time of one country, or between different countries when measured in the same currency.

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