Municipalities of Spain by social Security affiliates

Name: Municipalities of Spain by social Security affiliates, November 2025
Creator: Institut d'Estadística de Catalunya
License: Idescat open data terms (attribution required)

Barcelona had the highest social Security affiliates of 947 municipalities in November 2025, at 766,415. Sant Jaume de Frontanyà had the lowest, at 5. The median was 430. Source: the Institut d'Estadística de Catalunya.

Highest766,415Barcelona

Lowest5Sant Jaume de Frontanyà

Median430947 municipalities

Top 40 municipalities, November 2025

CSV Chart (SVG)

persons. Source: Idescat. Retrieved 2026-10-07.

Full ranking

Rank	Municipalities	November 2025 persons	Change on November 2024
1	Barcelona	766,415	+1.3%
2	L'Hospitalet de Llobregat	125,930	+3%
3	Terrassa	105,220	+2.4%
4	Sabadell	100,180	+2.9%
5	Badalona	99,510	+2%
6	Lleida	60,750	+2.9%
7	Mataró	57,325	+1.9%
8	Tarragona	56,520	+1.6%
9	Santa Coloma de Gramenet	51,520	+2.5%
10	Girona	49,140	+2.3%
11	Reus	45,115	+1.9%
12	Sant Cugat del Vallès	44,730	+0.8%
13	Cornellà de Llobregat	41,760	+2.7%
14	Sant Boi de Llobregat	38,560	+2%
15	Rubí	37,550	+2.6%
16	Manresa	33,235	+3.1%
17	Viladecans	32,295	+2.5%
18	Castelldefels	30,755	+0.4%
19	Vilanova i la Geltrú	30,625	+3.4%
20	El Prat de Llobregat	29,615	+1.4%
21	Granollers	29,520	+2.3%
22	Cerdanyola del Vallès	26,035	+1.1%
23	Mollet del Vallès	24,040	+2.6%
24	Vic	23,395	+2.8%
25	Sant Feliu de Llobregat	21,550	+1.6%
26	Gavà	21,405	+1.2%
27	Figueres	21,150	+2.3%
28	Esplugues de Llobregat	20,615	+2.6%
29	Vilafranca del Penedès	18,810	+2.8%
30	Ripollet	18,430	+2.3%
31	Olot	18,105	+1.7%
32	Igualada	17,805	+2.3%
33	Sant Joan Despí	17,200	+2.3%
34	Montcada i Reixac	17,090	+1.8%
35	Blanes	16,580	+1.5%
36	El Vendrell	16,300	+3.9%
37	Sant Adrià de Besòs	16,160	+1.1%
38	Barberà del Vallès	15,750	+1.9%
39	Cambrils	14,405	+2.3%
40	Sant Pere de Ribes	14,265	+1.9%
41	Salt	14,040	+3.3%
42	Tortosa	13,865	+1.8%
43	Lloret de Mar	13,120	+2%
43	Sitges	13,120	+1.1%
45	Molins de Rei	13,075	+1.9%
46	Sant Vicenç dels Horts	13,035	+2%
47	Martorell	12,975	+3.6%
48	Premià de Mar	12,890	+1.2%
49	Sant Andreu de la Barca	12,590	+0.8%
50	Calafell	12,490	+3.2%
51	Castellar del Vallès	12,275	+1.7%
52	Santa Perpètua de Mogoda	12,160	+1.6%
53	Olesa de Montserrat	11,475	+1.6%
54	El Masnou	11,390	+2%
55	Salou	11,200	+4%
56	Pineda de Mar	11,170	+3.2%
57	Esparreguera	10,525	+2%
58	Valls	10,495	+1.5%
59	Vila-seca	9,980	+3.7%
60	Les Franqueses del Vallès	9,965	+2.4%
61	Banyoles	9,780	+1%
62	Palafrugell	9,515	+1.4%
63	Sant Quirze del Vallès	9,440	-0.1%
64	Sant Just Desvern	9,435	+0.5%
65	Vilassar de Mar	9,420	+0.4%
66	Sant Feliu de Guíxols	9,175	+2.3%
67	Parets del Vallès	9,070	+1%
68	Amposta	9,040	+1.2%
69	Cardedeu	8,990	+2.2%
70	Caldes de Montbui	8,930	+2.3%
71	Manlleu	8,795	+2.3%
72	Sant Celoni	8,450	+1.7%
73	Tàrrega	8,435	+2.6%
74	La Garriga	8,305	+1.2%
75	Lliçà d'Amunt	8,225	+1.5%
76	Piera	8,085	+3.5%
77	Palamós	7,925	+2.5%
78	Tordera	7,885	+2.7%
79	Cubelles	7,855	+4.2%
80	Montornès del Vallès	7,825	+1.4%
81	Vallirana	7,775	+1.2%
82	Corbera de Llobregat	7,760	+2%
83	Calella	7,705	+2.3%
84	Malgrat de Mar	7,560	+2.8%
85	Palau-solità i Plegamans	7,500	+2.3%
86	Roses	7,370	+0.9%
87	Torredembarra	7,165	+2.4%
88	Canovelles	7,135	+1.8%
89	Balaguer	7,100	+3%
90	Arenys de Mar	7,080	+2.4%
91	Mollerussa	7,040	+0.9%
92	Torelló	6,975	+3.3%
93	Berga	6,910	+1.1%
94	Santa Coloma de Farners	6,535	+2.3%
95	Canet de Mar	6,420	+3.7%
96	Castellbisbal	6,415	+0.9%
97	Abrera	6,370	+2.3%
98	Cunit	6,335	+5.1%
99	Montgat	6,160	+1.1%
100	Argentona	5,995	+1.7%
101	La Ràpita	5,985	+2%
101	Sant Sadurní d'Anoia	5,985	+0.8%
103	La Llagosta	5,890	+1.7%
104	Pallejà	5,755	+1.6%
105	Vilanova del Camí	5,625	+0.9%
106	La Roca del Vallès	5,600	+3.4%
107	Mont-roig del Camp	5,520	+4.1%
108	Llinars del Vallès	5,305	+3.6%
109	Sant Andreu de Llavaneres	5,300	+1%
110	Cassà de la Selva	5,290	+1.5%
111	Badia del Vallès	5,115	+1.5%
112	Sant Joan de Vilatorrada	5,110	+1.9%
113	Torroella de Montgrí	5,080	+2.5%
114	Bigues i Riells del Fai	5,065	+1.2%
115	Alcarràs	5,025	+3.1%
116	Calonge i Sant Antoni	5,000	+2.8%
117	La Bisbal d'Empordà	4,935	+0.6%
118	Masquefa	4,890	+3.4%
119	Premià de Dalt	4,845	+1.9%
120	Castell d'Aro, Platja d'Aro i s'Agaró	4,835	+3.6%
121	Castelló d'Empúries	4,830	+2%
122	Deltebre	4,770	+2%
123	Matadepera	4,760	+3.4%
124	Sentmenat	4,710	+2.1%
125	Cervelló	4,700	+2%
126	L'Ametlla del Vallès	4,640	+1.3%
127	Tiana	4,630	+1.6%
128	Palafolls	4,620	+1.2%
129	Ripoll	4,615	+1%
130	Santa Maria de Palautordera	4,580	+1%
131	La Seu d'Urgell	4,525	+1.1%
132	Sant Fruitós de Bages	4,520	+1.2%
133	Puigcerdà	4,515	+1.1%
134	Arenys de Munt	4,385	+1.4%
135	Polinyà	4,325	+1.9%
136	Cervera	4,315	+1.8%
137	Alella	4,305	-0.5%
138	Sant Esteve Sesrovires	4,295	+2.8%
138	Solsona	4,295	+1.2%
140	Sant Fost de Campsentelles	4,280	+2.1%
141	Sant Vicenç de Castellet	4,245	+1.8%
142	Vilassar de Dalt	4,225	+0.7%
143	Tona	4,220	+2.8%
144	Llagostera	4,215	+0.7%
145	Santa Margarida de Montbui	4,205	+2.2%
146	Santa Coloma de Cervelló	4,195	+2.6%
147	Montmeló	4,145	+1.8%
148	Caldes de Malavella	4,015	+3.3%
149	L'Escala	3,995	+2%
150	Guissona	3,970	+3.1%
151	Vacarisses	3,965	+4.5%
152	Gelida	3,835	+1.5%
153	Santa Eulàlia de Ronçana	3,825	+2.8%
153	Vidreres	3,825	+1.9%
155	Viladecavalls	3,755	+1.6%
156	Centelles	3,750	+1.5%
157	Begues	3,700	+2.4%
158	Alcanar	3,665	+1.4%
159	Santpedor	3,660	+1.5%
160	Roquetes	3,605	+2%
161	Cabrils	3,595	+1.3%
162	Maçanet de la Selva	3,470	+1.8%
163	Santa Margarida i els Monjos	3,450	+0.7%
164	Montblanc	3,400	+1.5%
165	Sant Feliu de Codines	3,370	+4.5%
166	Sils	3,330	+2.5%
167	Lliçà de Vall	3,320	+1.5%
168	Taradell	3,295	+1.1%
169	Roda de Berà	3,285	+4%
170	Roda de Ter	3,245	+1.7%
171	Alpicat	3,240	+2.5%
172	Sant Antoni de Vilamajor	3,200	+1.6%
173	Moià	3,195	+2.1%
174	Torrelles de Llobregat	3,190	+1.8%
175	Dosrius	3,145	+2.8%
176	Teià	3,085	+3.4%
177	Sant Vicenç de Montalt	3,080	+4.2%
178	Riudoms	3,000	+0.3%
179	Arbúcies	2,935	+2.3%
180	Vandellòs i l'Hospitalet de l'Infant	2,910	+1.6%
181	Vilanova del Vallès	2,880	+0.3%
182	Sallent	2,875	+1.1%
183	Celrà	2,870	+1.1%
184	Artés	2,860	+2.5%
185	Navarcles	2,810	0%
186	La Canonja	2,785	+1.1%
187	Almacelles	2,760	+3%
187	Constantí	2,760	+4.5%
189	Les Borges Blanques	2,735	+2.4%
189	Vielha e Mijaran	2,735	+5.6%
191	Navàs	2,725	+1.3%
192	Sarrià de Ter	2,710	+2.3%
193	La Selva del Camp	2,665	+1.3%
194	Canyelles	2,655	+4.7%
195	Santa Cristina d'Aro	2,615	+2.3%
196	L'Ametlla de Mar	2,590	+2.6%
197	Agramunt	2,585	+0.4%
198	Vilafant	2,575	-0.6%
199	El Catllar	2,570	+5.8%
200	Anglès	2,565	+0.2%
201	Sant Hilari Sacalm	2,560	-0.2%
202	Bescanó	2,525	+1.2%
203	Sant Pere de Vilamajor	2,500	+1%
204	Súria	2,490	+2.7%
205	Tremp	2,475	+0.8%
206	Collbató	2,460	+3.6%
206	Torrefarrera	2,460	-0.2%
208	Altafulla	2,435	+1.7%
208	Els Pallaresos	2,435	+0.8%
210	Cabrera de Mar	2,410	+0.4%
211	Alcover	2,400	+2.8%
212	Porqueres	2,375	+1.1%
213	L'Arboç	2,370	+2.8%
214	Sant Pol de Mar	2,365	+0.9%
215	Capellades	2,340	-0.4%
216	Bellpuig	2,290	+0.7%
217	Móra d'Ebre	2,260	+3.2%
218	Ulldecona	2,255	+2.5%
219	Riells i Viabrea	2,245	+4.9%
220	Martorelles	2,220	+1.4%
221	El Papiol	2,190	+3.3%
222	Vilablareix	2,120	+6%
223	Sant Climent de Llobregat	2,095	+1%
224	La Pobla de Mafumet	2,085	+2%
225	Hostalric	2,070	+3%
226	Llançà	2,055	+0.5%
227	Tossa de Mar	2,045	+2.5%
228	Quart	2,015	+2.3%
229	Sant Gregori	2,005	+1.3%
230	Olivella	1,970	+6.2%
231	L'Aldea	1,965	+1.8%
232	Gironella	1,955	-0.8%
233	La Sénia	1,950	+1.8%
234	Seva	1,920	+0.3%
235	Castellbell i el Vilar	1,900	+2.4%
235	Olèrdola	1,900	+0.5%
237	El Pont de Vilomara i Rocafort	1,895	+0.5%
238	Balenyà	1,890	+4.1%
239	La Torre de Claramunt	1,865	+2.8%
240	El Morell	1,845	+1.7%
241	Puig-reig	1,840	+1.9%
242	La Bisbal del Penedès	1,830	+7.3%
243	Breda	1,810	+0.8%
244	Sant Cebrià de Vallalta	1,805	+4%
244	Sant Hipòlit de Voltregà	1,805	+1.4%
246	Sant Julià de Ramis	1,800	-0.3%
247	Cardona	1,750	+0.6%
248	Òdena	1,725	+1.2%
249	Alcoletge	1,715	+1.5%
249	L'Espluga de Francolí	1,715	+2.7%

Showing the top 250 of 947. The CSV download has every row.

Other periods

About this ranking

Workers registered with Social Security, by place of residence or work centre as stated by the source.

Every value in the ranking comes from the same publisher and the same period, so the municipalities are compared on one definition. Equal values share a rank.

How to cite

Institut d'Estadística de Catalunya (Idescat). Afiliats a la Seguretat Social per municipi de residència (afi). https://www.idescat.cat/pub/?id=afi. Retrieved 2026-10-07.

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Questions

Which municipality has the highest social Security affiliates?

Barcelona, with 766,415 in November 2025, according to the Institut d'Estadística de Catalunya.

Which municipality has the lowest social Security affiliates?

Sant Jaume de Frontanyà, with 5 in November 2025.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Institut d'Estadística de Catalunya, Afiliats a la Seguretat Social per municipi de residència (afi). Retrieved 2026-10-07.