Municipalities in Catalonia by social Security affiliates

Name: Municipalities in Catalonia by social Security affiliates, January 2026
Creator: Institut d'Estadística de Catalunya
License: Idescat open data terms (attribution required)

Barcelona had the highest social Security affiliates of 947 municipalities in January 2026, at 755,165. Sant Jaume de Frontanyà had the lowest, at 10. The median was 430 and the figure for Catalonia was 3.65 million. Source: the Institut d'Estadística de Catalunya.

Highest755,165Barcelona

Lowest10Sant Jaume de Frontanyà

Median430947 municipalities

Catalonia3,650,730History

Top 40 municipalities, January 2026

CSV Chart (SVG)

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

Full ranking

Rank	Municipalities	January 2026 persons	Change on January 2025
1	Barcelona	755,165	+1.4%
2	L'Hospitalet de Llobregat	124,165	+3.6%
3	Terrassa	104,405	+2.7%
4	Sabadell	99,265	+3.2%
5	Badalona	98,345	+2.3%
6	Lleida	60,005	+3.1%
7	Mataró	56,700	+1.9%
8	Tarragona	55,200	+2.4%
9	Santa Coloma de Gramenet	50,720	+2.5%
10	Girona	48,330	+2.3%
11	Sant Cugat del Vallès	44,320	+0.8%
12	Reus	44,010	+2.5%
13	Cornellà de Llobregat	41,315	+3.2%
14	Sant Boi de Llobregat	37,985	+2.4%
15	Rubí	37,245	+2.8%
16	Manresa	32,710	+3.9%
17	Viladecans	32,100	+3.5%
18	Vilanova i la Geltrú	30,360	+3.8%
19	Castelldefels	30,345	+0.8%
20	Granollers	29,220	+3.5%
21	El Prat de Llobregat	29,160	+1.7%
22	Cerdanyola del Vallès	25,880	+1.5%
23	Mollet del Vallès	23,745	+2.8%
24	Vic	23,130	+3.2%
25	Sant Feliu de Llobregat	21,360	+1.8%
26	Gavà	21,170	+1.8%
27	Figueres	20,650	+2.1%
28	Esplugues de Llobregat	20,330	+2.5%
29	Vilafranca del Penedès	18,580	+3.5%
30	Ripollet	18,195	+2%
31	Olot	17,845	+2.2%
32	Igualada	17,585	+2.1%
33	Sant Joan Despí	17,065	+2.2%
34	Montcada i Reixac	16,995	+2.5%
35	El Vendrell	16,240	+4.9%
36	Blanes	16,175	+1.7%
37	Sant Adrià de Besòs	15,975	+1.9%
38	Barberà del Vallès	15,555	+1.6%
39	Cambrils	14,070	+2.8%
40	Sant Pere de Ribes	14,040	+2.2%
41	Salt	13,800	+3.5%
42	Tortosa	13,465	+2.5%
43	Molins de Rei	13,000	+2.2%
44	Sitges	12,920	+1%
45	Sant Vicenç dels Horts	12,900	+2.2%
46	Lloret de Mar	12,875	+4.6%
47	Martorell	12,865	+4.1%
48	Premià de Mar	12,700	+1.1%
49	Sant Andreu de la Barca	12,525	+2.1%
50	Calafell	12,375	+3.8%
51	Castellar del Vallès	12,210	+1.7%
52	Santa Perpètua de Mogoda	12,085	+2.5%
53	Olesa de Montserrat	11,395	+2.4%
54	El Masnou	11,285	+2%
55	Pineda de Mar	11,070	+3.2%
56	Esparreguera	10,445	+3.3%
57	Salou	10,430	+4.7%
58	Valls	10,425	+2.4%
59	Les Franqueses del Vallès	9,915	+3.2%
60	Banyoles	9,655	+1.2%
61	Vila-seca	9,505	+4.8%
62	Sant Quirze del Vallès	9,385	+1.1%
63	Sant Just Desvern	9,375	+1.2%
64	Vilassar de Mar	9,305	0%
65	Palafrugell	9,280	+1.5%
66	Parets del Vallès	9,065	+2.1%
67	Cardedeu	8,945	+2.9%
68	Sant Feliu de Guíxols	8,910	+1.8%
69	Amposta	8,865	+2.4%
70	Caldes de Montbui	8,830	+2%
71	Manlleu	8,775	+2.5%
72	Sant Celoni	8,430	+2.8%
73	Tàrrega	8,390	+3.1%
74	La Garriga	8,230	+1.9%
75	Lliçà d'Amunt	8,195	+2%
76	Piera	8,015	+4.8%
77	Tordera	7,880	+4%
78	Vallirana	7,770	+2.2%
79	Cubelles	7,765	+4.1%
80	Montornès del Vallès	7,740	+2%
81	Palamós	7,715	+2.8%
82	Corbera de Llobregat	7,710	+2.3%
83	Calella	7,555	+1.4%
84	Malgrat de Mar	7,485	+3%
85	Palau-solità i Plegamans	7,425	+1.7%
86	Roses	7,185	+3.6%
87	Torredembarra	7,060	+3.4%
88	Canovelles	7,030	+2.6%
88	Mollerussa	7,030	+2%
90	Arenys de Mar	7,015	+2.1%
91	Balaguer	7,005	+3.2%
92	Torelló	6,890	+2.3%
93	Berga	6,870	+1.7%
94	Santa Coloma de Farners	6,425	+1.8%
95	Canet de Mar	6,375	+3.1%
96	Castellbisbal	6,365	+1.8%
97	Cunit	6,285	+4.8%
98	Abrera	6,275	+1.9%
99	Montgat	6,100	+0.9%
100	Argentona	5,945	+2.5%
101	Sant Sadurní d'Anoia	5,910	+0.8%
102	La Ràpita	5,860	+2.1%
103	La Llagosta	5,805	+1.8%
104	Pallejà	5,740	+2.4%
105	La Roca del Vallès	5,575	+3.2%
105	Vilanova del Camí	5,575	+3%
107	Mont-roig del Camp	5,400	+5.9%
108	Llinars del Vallès	5,280	+3.8%
109	Sant Andreu de Llavaneres	5,240	+1%
110	Cassà de la Selva	5,230	+1.9%
111	Badia del Vallès	5,070	+2.4%
112	Bigues i Riells del Fai	5,060	+2.6%
113	Sant Joan de Vilatorrada	5,050	+3.1%
114	Calonge i Sant Antoni	4,970	+3.8%
115	Alcarràs	4,945	+4.2%
116	Torroella de Montgrí	4,905	+3.2%
117	Masquefa	4,880	+3.7%
118	La Bisbal d'Empordà	4,825	+1.6%
119	Premià de Dalt	4,785	+1.5%
120	Castell d'Aro, Platja d'Aro i s'Agaró	4,740	+4.4%
121	Deltebre	4,710	+2.6%
122	Castelló d'Empúries	4,705	+2.2%
123	Matadepera	4,695	+2.1%
124	Cervelló	4,680	+3%
125	Sentmenat	4,675	+2%
126	Tiana	4,630	+3.2%
127	L'Ametlla del Vallès	4,620	+1.9%
128	Santa Maria de Palautordera	4,565	+1.8%
129	Puigcerdà	4,550	+2.8%
129	Ripoll	4,550	+0.2%
131	Palafolls	4,545	+1.5%
132	La Seu d'Urgell	4,490	+1.7%
133	Sant Fruitós de Bages	4,450	+1.7%
134	Arenys de Munt	4,335	+0.7%
135	Cervera	4,325	+2.9%
135	Sant Esteve Sesrovires	4,325	+3.3%
137	Polinyà	4,290	+1.4%
137	Solsona	4,290	+0.9%
139	Alella	4,280	-0.5%
140	Sant Fost de Campsentelles	4,275	+1.8%
141	Llagostera	4,210	+2.6%
142	Vilassar de Dalt	4,205	+1.3%
143	Santa Margarida de Montbui	4,200	+4%
144	Sant Vicenç de Castellet	4,190	+3.2%
144	Tona	4,190	+2.3%
146	Santa Coloma de Cervelló	4,170	+3%
147	Montmeló	4,145	+2.6%
148	Caldes de Malavella	3,960	+2.6%
149	Vacarisses	3,955	+4.5%
150	Guissona	3,945	+1.9%
151	L'Escala	3,895	+2.5%
152	Gelida	3,815	+2.1%
153	Vidreres	3,810	+2.4%
154	Santa Eulàlia de Ronçana	3,785	+2.4%
155	Viladecavalls	3,745	+2.3%
156	Centelles	3,730	+1.5%
157	Begues	3,665	+1.9%
158	Santpedor	3,610	+1.3%
159	Cabrils	3,565	+1.1%
160	Roquetes	3,545	+2.8%
161	Alcanar	3,520	-0.4%
161	Maçanet de la Selva	3,520	+5.5%
163	Santa Margarida i els Monjos	3,430	+2.7%
164	Montblanc	3,365	+2.3%
165	Sant Feliu de Codines	3,345	+3.4%
166	Lliçà de Vall	3,300	+2.6%
167	Taradell	3,295	+1.9%
168	Roda de Berà	3,285	+5.5%
169	Sils	3,260	+2%
170	Roda de Ter	3,240	+2.4%
171	Alpicat	3,235	+3.2%
172	Moià	3,155	+1.8%
172	Sant Antoni de Vilamajor	3,155	+1.6%
174	Torrelles de Llobregat	3,150	+1.4%
175	Dosrius	3,125	+3.3%
176	Teià	3,075	+3.9%
177	Vielha e Mijaran	3,040	+1.7%
178	Sant Vicenç de Montalt	3,015	+2.7%
179	Riudoms	2,965	+0.5%
180	Arbúcies	2,910	+2.6%
181	Vilanova del Vallès	2,860	+0.4%
182	Celrà	2,835	+2.2%
182	Sallent	2,835	+0.7%
184	Vandellòs i l'Hospitalet de l'Infant	2,825	+2.4%
185	Navarcles	2,770	+1.3%
186	Artés	2,750	+2%
187	Les Borges Blanques	2,730	+3.2%
188	Almacelles	2,725	+2.6%
189	La Canonja	2,710	+0.9%
190	Navàs	2,705	+2.1%
191	Sarrià de Ter	2,695	+2.9%
192	Constantí	2,685	+3.1%
193	Canyelles	2,640	+5.2%
194	La Selva del Camp	2,615	+1.2%
195	Santa Cristina d'Aro	2,555	+1.6%
196	El Catllar	2,550	+4.3%
196	Vilafant	2,550	+1.6%
198	Anglès	2,545	+1.6%
198	Sant Hilari Sacalm	2,545	+1.4%
200	L'Ametlla de Mar	2,540	+2.8%
201	Agramunt	2,535	+1.2%
202	Bescanó	2,510	+2%
203	Sant Pere de Vilamajor	2,500	+1.8%
204	Súria	2,445	+2.7%
205	Collbató	2,435	+3.6%
206	Els Pallaresos	2,425	+2.5%
206	Torrefarrera	2,425	-0.2%
208	Tremp	2,420	+0.6%
209	Alcover	2,400	+3.7%
210	Altafulla	2,385	+1.9%
211	Cabrera de Mar	2,370	+0.4%
212	Porqueres	2,345	+1.3%
212	Sant Pol de Mar	2,345	+2.2%
214	L'Arboç	2,335	+3.5%
215	Capellades	2,320	0%
216	Bellpuig	2,260	+0.7%
217	Martorelles	2,245	+3.7%
218	Riells i Viabrea	2,220	+3.7%
219	Móra d'Ebre	2,200	+3.5%
220	Ulldecona	2,195	+1.4%
221	El Papiol	2,185	+3.8%
222	Vilablareix	2,130	+6.5%
223	Sant Climent de Llobregat	2,080	+1%
224	La Pobla de Mafumet	2,055	+3.3%
225	Hostalric	2,035	+2.5%
226	Quart	2,010	+3.1%
227	Llançà	2,005	+2.6%
227	Sant Gregori	2,005	+2.3%
229	Olivella	1,980	+7.3%
230	L'Aldea	1,965	+4.5%
231	Gironella	1,955	-0.5%
232	Tossa de Mar	1,950	+3.7%
233	La Sénia	1,925	+2.4%
234	Olèrdola	1,910	+3.5%
235	Seva	1,905	+1.6%
236	Balenyà	1,885	+4.1%
237	Castellbell i el Vilar	1,880	+3.6%
238	El Pont de Vilomara i Rocafort	1,860	+2.2%
239	La Torre de Claramunt	1,855	+3.3%
240	La Bisbal del Penedès	1,820	+7.4%
241	El Morell	1,815	+4.9%
242	Puig-reig	1,810	+2%
243	Sant Cebrià de Vallalta	1,800	+5.9%
244	Sant Hipòlit de Voltregà	1,795	+3.2%
245	Sant Julià de Ramis	1,790	0%
246	Breda	1,780	-0.8%
247	Cardona	1,735	+2.1%
248	Sant Julià de Vilatorta	1,730	+3.3%
249	Òdena	1,710	+3%
250	L'Espluga de Francolí	1,700	+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 755,165 in January 2026, according to the Institut d'Estadística de Catalunya.

Which municipality has the lowest social Security affiliates?

Sant Jaume de Frontanyà, with 10 in January 2026.

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.