To get the percentage of citizens under 5ft total we use the formula: (number of citizens who are under 5.5 ft)/(Total population)×100% number of citizens who are under 5.5 ft=5,500,000 Total population=23,456,900 Hence: Percentage of population under 5.5 ft tall =5,500,000/23,456,900×100 =23.45%