Nico Williams has the most career assists by a 21-year-old player in LaLiga, with 11 assists.

most assists by a player by a 21 year old in the big 5 leagues

	NAME	A	Rating	M	MIN	START	G	G/M	G+A	PK	FK	SH	SOT	WOOD	TCH	TCH-BOX	OFF
1	Nico Williams N. Williams	11	7.18	31	2,281	29	5	0.16	16	0	0	56	19	1	1,365	157	12
2	Vinícius Júnior V. Júnior	10		35	2,701	30	17	0.49	27	0	0	80	43	0	1,967	257	26
3	Jude Bellingham J. Bellingham	8	7.27	31	2,494	29	9	0.29	17	1	0	62	23	2	2,038	124	9
4	Yan Couto Y. Couto	8	6.80	35	2,270	24	1	0.03	9	0	0	29	11	0	1,795	86	8
5	Pablo Fornals P. Fornals	8		37	3,204	36	5	0.14	13	0	0	53	10	1	2,166	48	3
6	Álvaro Odriozola Á. Odriozola	8		30	2,566	29	0	0.00	8	0	0	5	2	0	1,766	68	5
7	Rubén Pardo R. Pardo	8		28	1,595	17	2	0.07	10	0
8	Koke	8		18	1,439	17	3	0.17	11	0
9	Neymar	8		16	1,109	12	6	0.38	14	1
10	Diego López D. López	7	6.61	38	2,773	32	6	0.16	13	0	0	44	20	0	1,271	106	8
11	Rodrygo	7	6.93	31	1,917	21	8	0.26	15	1	0	68	23	2	1,173	169	10
12	Ángel Correa Á. Correa	7		30	1,257	11	6	0.20	13	0	0	39	17	0	856	62	2
13	Aimar Oroz A. Oroz	6	6.66	33	2,400	28	2	0.06	8	1	0	22	7	1	1,440	63	0
14	Brais Méndez B. Méndez	6		29	1,824	21	5	0.17	11	0	0	52	23	2	1,323	56	5
15	Fabián Ruiz F. Ruiz	6		26	1,955	22	2	0.08	8	0	0	28	13	1	1,960	31	2
16	Álex Berenguer Á. Berenguer	6		29	2,118	22	1	0.03	7	0	0	16	5	2	1,318	49	2
17	Christantus Uche C. Uche	5	6.45	32	2,418	29	4	0.13	9	0	0	49	14	1	1,103	107	17
18	Oihan Sancet O. Sancet	5		34	1,938	22	7	0.21	12	0	0	38	16	1	953	88	7
19	Federico Valverde F. Valverde	5		33	1,906	21	2	0.06	7	0	0	22	11	0	1,354	27	0
20	Marc Cucurella M. Cucurella	5		37	3,250	37	1	0.03	6	0	0	30	6	2	1,929	59	6
21	Óscar Melendo Ó. Melendo	5		33	2,094	23	0	0.00	5	0	0	9	5	0	1,199	27	0
22	Ousmane Dembélé O. Dembélé	5		30	1,724	21	8	0.27	13	0	0	39	17	1	1,390	123	9
23	Gonçalo Guedes G. Guedes	5		30	2,079	24	2	0.07	7	0	0	55	20	0	1,355	87	7
24	Marco Asensio M. Asensio	5		27	1,505	15	5	0.19	10	0	1	48	18	1	1,221	64	4
25	Andreas Pereira A. Pereira	5		35	2,416	29	5	0.14	10	0	1	50	21	0	1,529	41	0