The estimates given in this report for 1950 to 1953 supersede the corresponding estimates published in Current Population Reports, Series P-25, No. 106. The figures in this report are consistent with the revised estimates of the total population published in Current population Reports, Series P-25, No. 124.  Estimates of the civilian population of states in five broad age groups are presented in this report: Under 5 years old, 5 to 17 years old, 18 to 44 years old, 45 to 64 years old, and 65 years old and over. 1 In addition, the age groups under 21 years old and 21 years old and over are shown.