Rick Barry has posted the most career points by a 22-year-old player, with 2,775 points.

most points scored by a player at age 22
BarryBellamyO'NealAbdul-JabbarMcAdooRobertsonDurantThompsonJamesMarburyAntetokounmpoPetrieRoseWicksJohnsonMcGradyBryantMashburnStoudemireHaywoodAnthonyCarterRobinsonMitchellOlajuwon2.8k2.5k2.4k2.4k2.3k2.2k2.2k2.1k2.1k2.0k2.0k2.0k2.0k2.0k2.0k1.9k1.9k1.9k1.9k1.9k1.9k1.9k1.8k1.8k1.8k
NAMEGPPTSMPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINREBASTSTLBLKTOVPF+/-
Rick BarryRick Barry782,77540.735.69.23.613.028.745.19.710.988.43,175714282258
Walt BellamyWalt Bellamy792,49531.612.36.910.864.3281
Shaquille O'NealShaquille O'Neal822,44437.629.811.92.40.82.52.511.720.058.70.00.00.06.311.156.93,08797220068201205270
Kareem Abdul-JabbarKareem Abdul-Jabbar822,36128.814.511.45.99.165.31,190279
Bob McAdooBob McAdoo742,26130.612.26.27.879.3
Oscar RobertsonOscar Robertson692,18831.711.09.711.882.0226
Kevin DurantKevin Durant782,16138.927.76.82.71.11.02.89.119.746.21.95.335.07.68.788.03,0385332148876218159+271
David ThompsonDavid Thompson822,12536.625.94.14.110.019.850.75.87.676.63,001334337236
LeBron JamesLeBron James762,12140.627.96.96.51.70.83.110.221.447.41.24.229.66.49.169.63,08852549213261239171+321
Stephon MarburyStephon Marbury922,03639.222.13.18.61.30.23.87.818.242.61.33.932.45.46.681.83,60828479112317347252+67
Giannis AntetokounmpoGiannis Antetokounmpo822,03436.324.89.15.11.51.82.88.916.952.90.62.127.26.48.376.72,976747417126144229248+16
Geoff PetrieGeoff Petrie822,03137.024.83.44.89.621.644.35.67.377.23,032280390196
Derrick RoseDerrick Rose812,02637.425.04.17.71.00.63.48.819.744.51.64.833.25.96.985.83,0263306238551278136+498
Sidney WicksSidney Wicks822,00939.624.511.54.39.622.442.75.47.671.03,245943350186
Marques JohnsonMarques Johnson811,97136.024.38.52.89.918.852.94.55.976.12,918688230198
Tracy McGradyTracy McGrady761,94838.325.67.95.31.61.02.59.420.945.11.43.736.45.57.374.82,91259740011973189139+291
Kobe BryantKobe Bryant681,93840.928.55.95.01.70.63.210.322.246.40.92.930.57.08.285.32,78339933811443220222+369
Jamal MashburnJamal Mashburn821,93837.223.64.23.71.00.12.98.319.742.21.54.732.75.57.275.63,0483443018110237182
Amar'e StoudemireAmar'e Stoudemire741,93136.326.18.91.71.01.62.49.416.856.10.00.218.87.29.972.62,68665812671119176260+537
Spencer HaywoodSpencer Haywood731,91443.426.212.72.09.821.346.16.68.081.93,166926148210
Carmelo AnthonyCarmelo Anthony651,88138.228.96.03.81.20.43.610.622.447.60.62.326.87.18.780.82,4863912497723234203+88
Vince CarterVince Carter901,87636.020.85.83.31.21.32.28.017.745.10.51.531.64.45.777.23,244520301104121199278+97
Glenn RobinsonGlenn Robinson811,83938.722.76.62.81.30.43.98.217.746.21.33.436.75.16.381.23,13753122710432312239
Donovan MitchellDonovan Mitchell771,82933.723.84.14.21.40.42.88.619.943.22.46.736.24.15.180.62,59831632210631218208+371
Hakeem OlajuwonHakeem Olajuwon821,80736.622.011.81.61.53.22.68.616.652.00.00.04.87.266.22,998966135120260211334