Lauren Jackson has posted the most career points by a player younger than 21, with 442 points.

Interpreted as:

most points by a player under 21 years old

	NAME	PTS	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	REB	AST	STL	BLK	TOV	PF	+/-
1	Lauren Jackson L. Jackson	442	29	34.5	15.2	6.7	1.5	1.9	2.2	5.1	14.0	36.7	1.4	4.4	31.0	3.6	4.9	72.7	47.1	2.0	4.7	1.8	1,000	193	44	54	64	53	97	-56
2	Ann Wauters A. Wauters	429	55	21.8	7.8	4.3	1.3	0.7	0.7	3.0	5.5	54.3	0.0	0.1	0.0	1.9	2.4	77.4	59.8	1.4	2.9	2.0	1,196	237	69	37	37	111	126	+183
3	Liz Cambage L. Cambage	380	33	20.0	11.5	4.7	0.5	0.8	0.9	4.1	7.9	51.1	0.0	0.2	0.0	3.4	4.3	79.4	58.6	1.6	3.1	2.4	659	156	17	28	29	79	95	-192
4	Dominique Malonga D. Malonga	323	42	14.3	7.7	4.6	0.9	0.4	0.7	3.5	6.3	55.1	0.1	0.4	22.2	0.7	1.2	56.9	56.6	1.3	3.4	1.1	600	195	36	17	28	48	87	-20
5	Maria Stepanova M. Stepanova	314	52	13.1	6.0	3.9	0.6	0.3	1.4	2.3	5.0	47.1	0.0	0.0	50.0	1.3	2.1	62.7	51.1	1.5	2.4	1.0	681	202	31	16	73	52	115	+67
6	Penny Taylor P. Taylor	230	32	17.5	7.2	3.5	1.4	1.1	0.3	2.7	7.0	38.2	0.7	2.3	30.1	1.1	1.4	78.3	46.9	1.1	2.4	1.2	560	112	44	35	11	38	46	+83
7	Quanitra Hollingsworth Q. Hollingsworth	164	34	12.8	4.8	3.2	0.1	0.4	0.2	1.5	3.5	41.7	0.0	0.0		1.9	2.7	70.3	51.2	1.4	1.9	1.0	434	110	5	12	8	34	65	-87
8	Emma Meesseman E. Meesseman	149	34	14.7	4.4	3.1	1.2	0.6	0.7	1.9	4.4	44.6	0.0	0.1	0.0	0.5	0.6	81.0	47.4	1.2	1.9	0.9	498	106	42	19	24	29	54	+67
9	Kristen Veal K. Veal	144	42	18.8	3.4	1.6	3.4	0.9	0.1	1.1	3.6	29.4	0.5	1.5	29.2	0.8	1.1	74.5	41.5	0.4	1.3	2.4	788	69	143	39	4	99	71	-152
10	Awak Kuier A. Kuier	129	49	11.4	2.6	2.5	0.8	0.4	0.8	0.9	2.6	36.8	0.1	0.8	17.9	0.6	0.9	66.7	44.5	0.7	1.8	0.7	558	122	38	18	41	35	36	-35
11	Maria Kliundikova M. Kliundikova	115	26	8.8	4.4	2.3	0.5	0.4	0.5	1.9	3.6	53.2	0.2	0.6	37.5	0.3	0.5	69.2	57.7	0.7	1.6	0.6	228	60	12	11	14	15	48	+10
12	Mwadi Mabika M. Mabika	112	16	17.4	7.0	3.0	1.4	1.4	0.3	3.0	7.1	42.1	0.4	1.9	22.6	0.6	1.1	50.0	45.9	1.3	1.8	1.6	278	48	22	22	4	25	40	-39
13	JiSu Park J. Park	109	57	10.2	1.9	2.4	0.7	0.3	0.4	0.8	2.4	34.1	0.0	0.1	0.0	0.3	0.5	56.7	36.8	0.6	1.7	0.5	579	134	40	15	24	30	77	-25
14	Svetlana Abrosimova S. Abrosimova	75	9	27.6	8.3	5.3	1.3	1.4	0.1	2.7	7.9	33.8	0.4	2.2	20.0	2.6	3.4	74.2	44.3	1.8	3.6	2.2	248	48	12	13	1	20	19	-39
15	Jade Melbourne J. Melbourne	67	21	12.1	3.2	1.5	1.4	0.5	0.0	1.1	2.7	41.1	0.1	0.8	17.6	0.9	1.1	75.0	50.3	0.3	1.2	0.9	253	31	29	11	1	19	36	-4
16	Iziane Castro Marques I. Castro Marques	66	19	9.4	3.5	0.9	0.4	0.4	0.0	1.3	3.8	33.3	0.1	0.9	5.9	0.9	1.3	68.0	39.8	0.4	0.5	0.9	178	17	7	7	0	18	22	+17
17	Ezi Magbegor E. Magbegor	62	9	13.0	6.9	2.2	0.4	0.3	0.9	3.1	4.7	66.7	0.1	0.1	100.0	0.6	1.1	50.0	66.8	1.1	1.1	0.3	117	20	4	3	8	3	13	+40
18	Sandrine Gruda S. Gruda	59	11	13.9	5.4	2.9	0.6	0.5	0.8	2.3	5.1	44.6	0.0	0.0		0.8	1.3	64.3	47.5	1.0	1.9	1.1	152	32	7	6	9	12	18	+21
19	Han Xu H. Xu	54	18	7.9	3.0	0.8	0.1	0.2	0.2	1.3	3.2	41.4	0.3	0.6	50.0	0.1	0.1	50.0	45.9	0.1	0.7	0.1	143	15	2	3	4	2	6	+21
20	Sika Koné S. Koné	41	12	8.5	3.4	2.5	0.3	0.3	0.0	1.1	2.2	50.0	0.0	0.2	0.0	1.3	1.5	83.3	60.4	1.0	1.5	1.0	102	30	4	3	0	12	17	-27
21	Iliana Rupert I. Rupert	39	6	16.2	6.5	3.0	0.8	0.3	0.0	2.5	4.7	53.6	1.3	3.0	44.4	0.2	0.3	50.0	67.5	1.0	2.0	0.3	97	18	5	2	0	2	14	-22
22	Anastasiia Olairi Kosu A. Olairi Kosu	35	21	3.8	1.7	0.7	0.2	0.0	0.2	0.6	1.4	44.8	0.0	0.1	0.0	0.4	0.7	60.0	49.2	0.5	0.2	0.3	80	15	5	1	4	7	9	+35
23	Jessica Bibby J. Bibby	19	17	3.9	1.1	0.3	0.6	0.2	0.0	0.2	1.1	16.7	0.1	0.4	33.3	0.6	0.8	84.6	40.1	0.2	0.1	0.7	67	5	11	3	0	12	9	-23
24	Astou Ndour-Fall A. Ndour-Fall	17	8	4.4	2.1	1.1	0.0	0.0	0.3	1.0	2.4	42.1	0.1	0.4	33.3	0.0	0.0		44.7	0.5	0.6	0.4	35	9	0	0	2	3	4	-4
25	Erika de Souza E. de Souza	12	11	3.8	1.1	1.3	0.2	0.3	0.0	0.5	1.3	35.7	0.0	0.0		0.2	0.9	20.0	32.6	0.7	0.5	0.5	42	14	2	3	0	6	14	-32