Zion Williamson was 20 years old in 2020-21.

20 year old nba players in 2021
20202020202020202020202020202020202020202020202020
NAMESEASONTMGPAGEMPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINPTSREBASTSTLBLKTOVPF+/-
Zion WilliamsonZion Williamson2020-21
NOPNOP
612033.227.07.23.70.90.62.710.417.061.10.20.629.46.08.769.82,0261,6474412265739167135+89
RJ BarrettRJ Barrett2020-21
NYKNYK
722034.917.65.83.00.70.31.96.514.744.11.74.340.12.93.874.62,5111,2644142175320139188+137
Coby WhiteCoby White2020-21
CHICHI
692031.215.14.14.80.60.22.35.413.141.62.46.635.91.92.190.12,1561,0412843283815156179-107
Jaxson HayesJaxson Hayes2020-21
NOPNOP
602016.17.54.30.60.40.60.72.94.762.50.10.242.91.62.077.596444925735253839101-19
Nassir LittleNassir Little2020-21
PORPOR
482013.34.62.70.50.10.30.41.63.546.70.61.735.00.80.980.0640220128235131851-40
Kevin Porter Jr.Kevin Porter Jr.2020-21
HOUHOU
262032.116.63.86.30.70.33.56.014.142.51.96.231.12.73.673.4835431991641989161-224
Alen SmailagicAlen Smailagic2020-21
GSWGSW
15205.61.91.10.30.20.30.30.71.840.70.30.740.00.10.433.3842816435511-32
Talen Horton-TuckerTalen Horton-Tucker2020-21
LALLAL
652020.19.02.62.81.00.31.63.47.545.80.62.028.21.52.077.51,3045851691816321105127+14
Sekou DoumbouyaSekou Doumbouya2020-21
DETDET
562015.55.12.60.80.40.20.81.95.037.90.52.122.60.81.170.3869285143472494494-132
Deividas SirvydisDeividas Sirvydis2020-21
DETDET
20206.72.11.50.30.10.00.30.72.035.00.51.435.70.20.350.0133412952059-23
Darius BazleyDarius Bazley2020-21
OKCOKC
552031.213.77.21.80.50.52.25.012.539.61.55.229.02.33.270.21,71475439699292512260-477
Jalen LecqueJalen Lecque2020-21
INDIND
4203.01.31.30.50.00.00.00.32.311.10.00.30.00.80.8100.0125520000-4
Isaac OkoroIsaac Okoro2020-21
CLECLE
672032.49.63.11.90.90.41.33.58.342.00.93.229.01.72.372.62,173646206128622486185-407
Tyrese MaxeyTyrese Maxey2020-21
PHIPHI
612015.38.01.72.00.40.20.73.27.046.20.51.730.11.01.187.193548810412026134179-52
Jaden McDanielsJaden McDaniels2020-21
MINMIN
632024.06.83.71.10.61.00.72.65.844.71.13.136.40.40.760.01,51142723271356047172-103
Onyeka OkongwuOnyeka Okongwu2020-21
ATLATL
502012.04.63.30.40.50.70.61.93.064.40.00.10.00.71.163.260122816318233329100-89
Devin VassellDevin Vassell2020-21
SASSAS
622017.05.52.80.90.70.30.42.04.940.60.82.434.70.70.884.31,0563411745643182288-65
Reggie PerryReggie Perry2020-21
BKNBKN
26208.13.02.80.50.20.20.61.23.041.00.20.819.00.40.576.9211787314661540-36
Tyrell TerryTyrell Terry2020-21
DALDAL
11205.11.00.50.50.50.00.20.51.531.30.00.60.00.10.333.356116650220
Josh GreenJosh Green2020-21
DALDAL
392011.42.62.00.70.40.10.41.12.445.20.10.616.00.30.656.544510178281631735+17
Jalen SmithJalen Smith2020-21
PHXPHX
27205.82.01.40.10.00.10.30.81.944.00.10.623.50.20.371.41565337414716-16
CJ EllebyCJ Elleby2020-21
PORPOR
30206.42.31.10.30.20.10.20.82.237.90.21.120.60.40.573.319268321063527-15
Tyrese HaliburtonTyrese Haliburton2020-21
SACSAC
582030.113.03.05.31.30.51.65.010.747.22.15.140.90.81.085.71,74675317330977289283-180
Zeke NnajiZeke Nnaji2020-21
DENDEN
42209.53.21.50.20.20.10.21.22.548.10.61.440.70.30.480.0397136651084729-82
Cole AnthonyCole Anthony2020-21
ORLORL
472027.112.94.74.10.60.42.34.711.739.71.23.733.72.32.883.21,273605221192301810698-322