Municipalities in Catalonia by social Security affiliates

Name: Municipalities in Catalonia by social Security affiliates, October 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 October 2025, at 757,865. Sant Jaume de Frontanyà had the lowest, at 10. The median was 425 and the figure for Catalonia was 3.67 million. Source: the Institut d'Estadística de Catalunya.

Highest757,865Barcelona

Lowest10Sant Jaume de Frontanyà

Median425947 municipalities

Catalonia3,670,110History

Top 40 municipalities, October 2025

CSV Chart (SVG)

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

Full ranking

Rank	Municipalities	October 2025 persons	Change on October 2024
1	Barcelona	757,865	+1.2%
2	L'Hospitalet de Llobregat	124,175	+3.1%
3	Terrassa	103,875	+2.4%
4	Sabadell	98,885	+3%
5	Badalona	98,515	+2%
6	Lleida	60,080	+3.4%
7	Tarragona	56,720	+2%
8	Mataró	56,695	+1.8%
9	Santa Coloma de Gramenet	50,795	+2.4%
10	Girona	48,855	+2.5%
11	Reus	45,420	+1.8%
12	Sant Cugat del Vallès	44,320	+0.9%
13	Cornellà de Llobregat	41,175	+2.9%
14	Sant Boi de Llobregat	38,060	+1.9%
15	Rubí	37,060	+2.7%
16	Manresa	32,645	+2.9%
17	Viladecans	31,985	+2.8%
18	Vilanova i la Geltrú	30,440	+3.5%
19	Castelldefels	30,410	+0.3%
20	El Prat de Llobregat	29,265	+1.6%
21	Granollers	29,175	+2.6%
22	Cerdanyola del Vallès	25,755	+0.9%
23	Mollet del Vallès	23,705	+2.2%
24	Vic	23,040	+3.1%
25	Sant Feliu de Llobregat	21,340	+1.7%
26	Figueres	21,130	+2.6%
26	Gavà	21,130	+1.1%
28	Esplugues de Llobregat	20,390	+2.5%
29	Vilafranca del Penedès	18,540	+2.7%
30	Ripollet	18,205	+2.2%
31	Olot	17,895	+2.4%
32	Igualada	17,425	+1.4%
33	Blanes	17,270	+1.7%
34	Sant Joan Despí	17,010	+2.1%
35	Montcada i Reixac	16,890	+1.6%
36	El Vendrell	16,305	+4%
37	Sant Adrià de Besòs	15,945	+0.7%
38	Barberà del Vallès	15,575	+1.7%
39	Lloret de Mar	15,455	+1.3%
40	Cambrils	15,080	+3.1%
41	Sant Pere de Ribes	14,195	+1.7%
42	Salt	13,920	+3.5%
43	Tortosa	13,485	+0.8%
44	Sitges	13,085	+0.7%
45	Molins de Rei	12,940	+2.1%
46	Salou	12,930	+5.2%
47	Sant Vicenç dels Horts	12,855	+1.8%
48	Premià de Mar	12,785	+1.2%
49	Martorell	12,775	+3.2%
50	Calafell	12,465	+3%
51	Sant Andreu de la Barca	12,420	+0.9%
52	Castellar del Vallès	12,155	+1.7%
53	Santa Perpètua de Mogoda	12,015	+1.2%
54	Pineda de Mar	11,740	+3%
55	Olesa de Montserrat	11,325	+1.6%
56	El Masnou	11,315	+2.2%
57	Vila-seca	10,505	+3.9%
58	Esparreguera	10,390	+1.8%
59	Valls	10,370	+1.2%
60	Palafrugell	9,855	+1.5%
61	Les Franqueses del Vallès	9,825	+2%
62	Banyoles	9,740	+1.5%
63	Sant Just Desvern	9,355	+0.6%
63	Vilassar de Mar	9,355	+0.5%
65	Sant Quirze del Vallès	9,340	+0.2%
66	Sant Feliu de Guíxols	9,295	+2.8%
67	Parets del Vallès	9,005	+1.3%
68	Amposta	8,980	+2.9%
69	Cardedeu	8,895	+2.2%
70	Caldes de Montbui	8,850	+2.2%
71	Manlleu	8,715	+2.2%
72	Tàrrega	8,370	+3%
73	Sant Celoni	8,365	+1.8%
74	La Garriga	8,250	+1.5%
75	Lliçà d'Amunt	8,175	+1.9%
76	Malgrat de Mar	8,115	+4.1%
77	Calella	8,090	+2%
78	Palamós	7,980	+1.7%
79	Tordera	7,945	+2.2%
80	Piera	7,915	+2.2%
81	Cubelles	7,805	+3.9%
82	Roses	7,800	+0.8%
83	Montornès del Vallès	7,750	+1.8%
84	Vallirana	7,715	+1.8%
85	Corbera de Llobregat	7,670	+1.7%
86	Palau-solità i Plegamans	7,450	+2.5%
87	Torredembarra	7,175	+2.7%
88	Balaguer	7,170	+5.3%
89	Arenys de Mar	7,045	+2.4%
90	Canovelles	7,025	+2.1%
91	Mollerussa	7,020	+2.1%
92	Torelló	6,875	+2.8%
93	Berga	6,805	+0.7%
94	Santa Coloma de Farners	6,495	+2.8%
95	Canet de Mar	6,410	+3.7%
96	Castellbisbal	6,360	+1.4%
97	Cunit	6,325	+5.7%
98	Abrera	6,285	+2.3%
99	Montgat	6,090	+0.8%
100	Argentona	5,950	+1.8%
101	La Ràpita	5,945	+1.3%
101	Sant Sadurní d'Anoia	5,945	+0.8%
103	La Llagosta	5,815	+1.7%
104	Pallejà	5,700	+1.7%
105	Mont-roig del Camp	5,570	+4.1%
106	La Roca del Vallès	5,525	+2.7%
107	Vilanova del Camí	5,485	+0.1%
108	Cassà de la Selva	5,285	+2.3%
109	Torroella de Montgrí	5,270	+2.7%
110	Llinars del Vallès	5,255	+4%
110	Sant Andreu de Llavaneres	5,255	+1.3%
112	Sant Joan de Vilatorrada	5,035	+1.6%
113	Bigues i Riells del Fai	5,020	+1.5%
114	Badia del Vallès	5,015	+0.9%
115	Alcarràs	5,000	+4.9%
116	Calonge i Sant Antoni	4,995	+2%
117	La Bisbal d'Empordà	4,975	+0.6%
118	Castelló d'Empúries	4,950	+2.6%
119	Castell d'Aro, Platja d'Aro i s'Agaró	4,905	+2.4%
120	Masquefa	4,825	+2.7%
121	Premià de Dalt	4,800	+1.6%
122	Deltebre	4,770	+1.7%
123	Palafolls	4,745	+1.6%
124	Matadepera	4,710	+3.3%
125	Sentmenat	4,665	+2.1%
126	Cervelló	4,640	+1.2%
127	Tiana	4,605	+2.1%
128	L'Ametlla del Vallès	4,595	+1.2%
129	Ripoll	4,590	+1.1%
130	Santa Maria de Palautordera	4,545	+1.2%
131	La Seu d'Urgell	4,495	+1.4%
132	Puigcerdà	4,490	+1.6%
133	Sant Fruitós de Bages	4,450	+0.3%
134	Arenys de Munt	4,365	+1.5%
135	Cervera	4,315	+3.1%
136	Alella	4,295	0%
137	Polinyà	4,265	+1.8%
137	Solsona	4,265	+0.9%
139	Sant Esteve Sesrovires	4,260	+3.3%
140	Sant Fost de Campsentelles	4,235	+1.6%
141	Llagostera	4,215	+1.1%
142	Vilassar de Dalt	4,210	+0.7%
143	Sant Vicenç de Castellet	4,170	+1.7%
143	Tona	4,170	+2%
145	Santa Coloma de Cervelló	4,155	+2.7%
146	L'Escala	4,140	+2.9%
147	Montmeló	4,105	+2.1%
148	Santa Margarida de Montbui	4,100	+1.6%
149	Caldes de Malavella	3,990	+2.8%
150	Guissona	3,945	+2.5%
151	Vacarisses	3,920	+4.8%
152	Vidreres	3,870	+3.2%
153	Santa Eulàlia de Ronçana	3,815	+3.1%
154	Gelida	3,795	+1.7%
155	Centelles	3,730	+1.6%
155	Viladecavalls	3,730	+1.5%
157	Begues	3,675	+2.4%
158	Santpedor	3,635	+2.1%
159	Alcanar	3,595	+2%
160	Cabrils	3,560	+1.6%
161	Roquetes	3,530	+2%
162	Maçanet de la Selva	3,500	+3.2%
163	Santa Margarida i els Monjos	3,390	+0.4%
164	Montblanc	3,370	+2.1%
165	Sant Feliu de Codines	3,340	+4.4%
166	Sils	3,310	+2.3%
167	Lliçà de Vall	3,280	+1.7%
167	Roda de Berà	3,280	+3.8%
167	Taradell	3,280	+1.5%
170	Alpicat	3,220	+2.1%
171	Roda de Ter	3,215	+1.6%
172	Moià	3,185	+2.4%
173	Sant Antoni de Vilamajor	3,160	+1.4%
174	Torrelles de Llobregat	3,150	+1.8%
175	Dosrius	3,115	+2.1%
176	Teià	3,065	+4.3%
177	Sant Vicenç de Montalt	3,055	+4.6%
178	Riudoms	3,000	+0.3%
179	Arbúcies	2,930	+2.3%
180	Vandellòs i l'Hospitalet de l'Infant	2,920	+3%
181	Celrà	2,845	+1.4%
181	Sallent	2,845	+1.8%
181	Vilanova del Vallès	2,845	-0.2%
184	Artés	2,830	+2%
185	La Canonja	2,800	+1.4%
186	Navarcles	2,785	+0.7%
187	Constantí	2,780	+5.5%
188	Almacelles	2,735	+3%
189	Les Borges Blanques	2,710	+2.5%
190	Navàs	2,705	+1.9%
191	Sarrià de Ter	2,695	+3.1%
192	L'Ametlla de Mar	2,660	+3.3%
193	La Selva del Camp	2,645	+0.6%
194	Canyelles	2,630	+4.2%
195	Santa Cristina d'Aro	2,615	+1.9%
196	Sant Hilari Sacalm	2,575	+0.6%
197	Vilafant	2,565	-0.2%
198	Vielha e Mijaran	2,555	+3.4%
199	El Catllar	2,550	+4.9%
200	Agramunt	2,545	-0.2%
201	Anglès	2,530	0%
202	Bescanó	2,505	+1.8%
203	Sant Pere de Vilamajor	2,495	+1.2%
204	Súria	2,455	+3.4%
204	Tremp	2,455	+1%
206	Altafulla	2,445	+1.5%
206	Torrefarrera	2,445	+0.4%
208	Collbató	2,440	+3.4%
209	Els Pallaresos	2,425	+0.6%
210	Alcover	2,400	+3.9%
211	Cabrera de Mar	2,390	+1.1%
212	Tossa de Mar	2,370	+0.9%
213	Porqueres	2,360	+0.6%
214	Sant Pol de Mar	2,350	+0.4%
215	L'Arboç	2,325	+3.3%
216	Capellades	2,305	-0.2%
217	Bellpuig	2,265	+0.4%
218	Ulldecona	2,220	+2.5%
219	Móra d'Ebre	2,205	+3.5%
219	Riells i Viabrea	2,205	+4%
221	Martorelles	2,200	+1.9%
222	El Papiol	2,140	+2.1%
223	Vilablareix	2,115	+5.8%
224	Sant Climent de Llobregat	2,085	+1.5%
225	La Pobla de Mafumet	2,080	+2.7%
226	Hostalric	2,060	+2.7%
226	Llançà	2,060	0%
228	Quart	2,000	+2.6%
229	Sant Gregori	1,985	+0.5%
230	L'Aldea	1,955	+1.8%
230	Olivella	1,955	+6.3%
232	Gironella	1,950	-0.5%
233	La Sénia	1,940	+1.8%
234	Seva	1,905	+1.1%
235	Olèrdola	1,885	+1.9%
236	Balenyà	1,880	+4.7%
236	Castellbell i el Vilar	1,880	+2.2%
238	El Pont de Vilomara i Rocafort	1,855	+0.3%
239	La Torre de Claramunt	1,840	+3.7%
240	El Morell	1,835	+1.7%
241	Puig-reig	1,805	+1.1%
242	La Bisbal del Penedès	1,800	+6.8%
243	Breda	1,795	+0.6%
243	Sant Julià de Ramis	1,795	0%
245	Sant Cebrià de Vallalta	1,790	+3.2%
245	Sant Hipòlit de Voltregà	1,790	+1.4%
247	Cardona	1,730	0%
248	Alcoletge	1,715	+2.4%
248	Begur	1,715	-2.3%
250	Òdena	1,710	+1.5%

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 757,865 in October 2025, according to the Institut d'Estadística de Catalunya.

Which municipality has the lowest social Security affiliates?

Sant Jaume de Frontanyà, with 10 in October 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.