Answer:
Women make up over half of the population but only 20 percent of Congress.
Option: (A)
Explanation:
A demographic underrepresentation is defined as the condition where there is representation of group of people from bigger proportion of a population is found to be relatively small in the certain subgroups like politics, science and technology, etc.
Demographic underrepresentation is the case when the population of women make up 50% of the total population but only 20% of the congress population is made up of women.
Also, the lower number of representation of people of a certain race in fields like IT, science and technology, medical, etc although they hold a larger population in the country is an example of demographic underrepresentation.