Stature-for-age percentiles: Boys, 2 to 20 years 5th, 10th, 25th, 50th Age (years). 50th. 25th. 10th. 5th. 75th. 90th. 95th cm. 75. 80. 85. 90. 95 ... CDC Growth Charts: United States. SOURCE: Developed by the National Center for ...