Municipalities in Catalonia by social Security affiliates

Name: Municipalities in Catalonia by social Security affiliates, May 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 May 2026, at 774,165. Sant Jaume de Frontanyà had the lowest, at 10. The median was 440 and the figure for Catalonia was 3.79 million. Source: the Institut d'Estadística de Catalunya.

Highest774,165Barcelona

Lowest10Sant Jaume de Frontanyà

Median440947 municipalities

Catalonia3,793,500History

Top 40 municipalities, May 2026

CSV Chart (SVG)

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

Full ranking

Rank	Municipalities	May 2026 persons	Change on May 2025
1	Barcelona	774,165	+1.7%
2	L'Hospitalet de Llobregat	128,715	+4%
3	Terrassa	106,755	+3%
4	Sabadell	101,745	+3.6%
5	Badalona	100,615	+2.1%
6	Lleida	63,200	+2.9%
7	Tarragona	59,295	+2.7%
8	Mataró	58,400	+2.7%
9	Santa Coloma de Gramenet	52,435	+2.3%
10	Girona	49,545	+1.4%
11	Reus	47,890	+2.7%
12	Sant Cugat del Vallès	44,945	+0.9%
13	Cornellà de Llobregat	42,330	+3%
14	Sant Boi de Llobregat	38,805	+2.2%
15	Rubí	37,910	+2.5%
16	Manresa	33,780	+4.2%
17	Viladecans	32,990	+3.7%
18	Vilanova i la Geltrú	31,555	+4.1%
19	Castelldefels	31,135	+0.6%
20	Granollers	29,920	+3.1%
21	El Prat de Llobregat	29,865	+1.9%
22	Cerdanyola del Vallès	26,365	+1.5%
23	Mollet del Vallès	24,465	+3%
24	Vic	23,760	+2.9%
25	Figueres	21,910	+3.3%
26	Sant Feliu de Llobregat	21,695	+1.6%
27	Gavà	21,555	+1.5%
28	Esplugues de Llobregat	20,825	+2.8%
29	Vilafranca del Penedès	19,155	+2.7%
30	Blanes	18,735	+1.7%
31	Ripollet	18,500	+2%
32	Olot	18,415	+2.6%
33	Lloret de Mar	18,135	+3.2%
34	Igualada	17,980	+2%
35	Sant Joan Despí	17,345	+1.6%
36	Montcada i Reixac	17,335	+2.5%
37	El Vendrell	17,225	+5%
38	Sant Adrià de Besòs	16,420	+2.8%
39	Cambrils	16,405	+2.9%
40	Barberà del Vallès	15,730	+1%
41	Salou	15,115	+3.8%
42	Salt	14,595	+5.6%
43	Sant Pere de Ribes	14,565	+2.5%
44	Tortosa	14,220	+3.2%
45	Sitges	13,495	+1%
46	Calafell	13,280	+4.4%
47	Molins de Rei	13,250	+1.9%
48	Martorell	13,215	+4.5%
49	Sant Vicenç dels Horts	13,050	+1.8%
50	Premià de Mar	13,000	+0.9%
51	Pineda de Mar	12,830	+3.3%
52	Sant Andreu de la Barca	12,730	+2.2%
53	Santa Perpètua de Mogoda	12,340	+2.8%
54	Castellar del Vallès	12,325	+1.5%
55	Olesa de Montserrat	11,625	+2.2%
56	El Masnou	11,520	+1.6%
57	Vila-seca	11,190	+2%
58	Palafrugell	10,960	+3.5%
59	Valls	10,740	+2.5%
60	Esparreguera	10,670	+2.6%
61	Les Franqueses del Vallès	10,120	+3.1%
62	Banyoles	10,070	+2.5%
63	Sant Feliu de Guíxols	9,975	+1.3%
64	Sant Just Desvern	9,545	+1.7%
65	Sant Quirze del Vallès	9,530	+1.3%
66	Vilassar de Mar	9,495	+0.5%
67	Amposta	9,310	+2.6%
68	Parets del Vallès	9,165	+2.1%
69	Cardedeu	9,105	+2.4%
70	Caldes de Montbui	9,005	+1.9%
71	Roses	8,990	+3.1%
72	Calella	8,985	+2.6%
73	Manlleu	8,970	+2.4%
74	Malgrat de Mar	8,870	+2.8%
75	Palamós	8,630	+3.1%
76	Sant Celoni	8,625	+3%
77	Tàrrega	8,615	+3.4%
78	Tordera	8,410	+4.5%
79	La Garriga	8,360	+1.7%
80	Lliçà d'Amunt	8,350	+2.7%
81	Piera	8,260	+5.2%
82	Cubelles	7,965	+3.4%
83	Montornès del Vallès	7,925	+1.3%
84	Corbera de Llobregat	7,870	+3%
85	Vallirana	7,840	+1.8%
86	Torredembarra	7,595	+3.2%
87	Palau-solità i Plegamans	7,590	+1.3%
88	Balaguer	7,325	+3.5%
89	Arenys de Mar	7,295	+2.2%
90	Mollerussa	7,230	+2.4%
91	Canovelles	7,200	+2.3%
92	Torelló	7,085	+2.3%
93	Berga	7,080	+3.3%
94	Santa Coloma de Farners	6,685	+2.8%
95	Canet de Mar	6,635	+2.8%
96	Cunit	6,590	+4.9%
97	Castellbisbal	6,480	+2%
98	Abrera	6,400	+1.8%
99	La Ràpita	6,220	+1.1%
100	Montgat	6,215	+1.1%
101	Mont-roig del Camp	6,095	+5.2%
102	Argentona	6,045	+2%
103	Sant Sadurní d'Anoia	6,010	+0.1%
104	La Llagosta	5,920	+0.8%
105	Torroella de Montgrí	5,905	+2.6%
106	Pallejà	5,840	+2.5%
107	Vilanova del Camí	5,700	+2.8%
108	La Roca del Vallès	5,680	+3.1%
109	Alcarràs	5,500	+3.2%
110	Castell d'Aro, Platja d'Aro i s'Agaró	5,475	+4.1%
111	Llinars del Vallès	5,415	+3.1%
112	Calonge i Sant Antoni	5,405	+2.5%
112	Cassà de la Selva	5,405	+2.4%
114	Castelló d'Empúries	5,375	+3.4%
115	Sant Andreu de Llavaneres	5,305	+0.4%
116	La Bisbal d'Empordà	5,260	+1.9%
117	Badia del Vallès	5,230	+3.9%
118	Bigues i Riells del Fai	5,180	+3.3%
119	Sant Joan de Vilatorrada	5,100	+1.5%
120	Deltebre	4,985	+2.2%
121	Masquefa	4,980	+3.6%
122	Palafolls	4,920	+1.1%
123	Premià de Dalt	4,835	+0.3%
124	Matadepera	4,795	+2.5%
125	Sentmenat	4,750	+2.5%
126	Cervelló	4,725	+2.7%
127	Ripoll	4,705	+2.4%
128	L'Ametlla del Vallès	4,685	+1.1%
129	Tiana	4,680	+2%
130	Santa Maria de Palautordera	4,650	+1.9%
131	L'Escala	4,645	+4.3%
132	Puigcerdà	4,640	+3.6%
133	La Seu d'Urgell	4,615	+2.3%
134	Sant Fruitós de Bages	4,530	+0.7%
135	Arenys de Munt	4,495	+1.7%
136	Sant Esteve Sesrovires	4,445	+3.4%
137	Cervera	4,425	+2.7%
137	Llagostera	4,425	+2.8%
139	Sant Fost de Campsentelles	4,365	+2%
140	Solsona	4,360	+1.6%
141	Alella	4,350	+0.2%
141	Polinyà	4,350	+1.6%
143	Santa Margarida de Montbui	4,265	+2.4%
143	Vilassar de Dalt	4,265	+0.7%
145	Tona	4,240	+1.3%
146	Sant Vicenç de Castellet	4,235	+0.2%
147	Santa Coloma de Cervelló	4,230	+2.4%
148	Montmeló	4,185	+1.2%
149	Caldes de Malavella	4,115	+3.1%
150	Vidreres	4,080	+2.9%
151	Vacarisses	4,065	+5.4%
152	Guissona	4,025	+2.3%
153	Gelida	3,910	+3.2%
154	Santa Eulàlia de Ronçana	3,845	+2%
155	Centelles	3,800	+1.7%
156	Begues	3,760	+2.7%
157	Viladecavalls	3,755	+1.1%
158	Santpedor	3,705	+2.2%
159	Roquetes	3,700	+3.4%
160	Maçanet de la Selva	3,690	+4.5%
161	Cabrils	3,640	+1.3%
162	Alcanar	3,605	+0.7%
163	Santa Margarida i els Monjos	3,510	+2.2%
164	Roda de Berà	3,490	+4.5%
165	Montblanc	3,445	+0.7%
166	Sils	3,415	+2.9%
167	Sant Feliu de Codines	3,410	+2.2%
168	Roda de Ter	3,340	+4.5%
169	Taradell	3,330	+1.7%
170	Alpicat	3,315	+3.6%
170	Lliçà de Vall	3,315	+1.2%
172	Sant Antoni de Vilamajor	3,200	+0.9%
172	Torrelles de Llobregat	3,200	+2.4%
174	Moià	3,185	+0.3%
175	Dosrius	3,175	+2.4%
176	Riudoms	3,125	+2.3%
177	Tossa de Mar	3,110	+2.5%
178	Vandellòs i l'Hospitalet de l'Infant	3,105	+3.2%
179	Teià	3,100	+1.5%
180	Sant Vicenç de Montalt	3,095	+1.3%
181	Arbúcies	3,060	+3.4%
182	Vilanova del Vallès	2,945	+2.8%
183	Constantí	2,900	+3.6%
183	Sallent	2,900	+0.7%
185	Celrà	2,890	+1.4%
186	Artés	2,875	+2%
187	La Canonja	2,850	+0.2%
188	L'Ametlla de Mar	2,840	+2.2%
189	Almacelles	2,830	+1.8%
190	Les Borges Blanques	2,820	+4.3%
191	Navarcles	2,795	+0.9%
192	Santa Cristina d'Aro	2,785	+1.6%
193	Sarrià de Ter	2,765	+2.8%
194	Canyelles	2,755	+7.6%
195	Navàs	2,735	+1.1%
196	La Selva del Camp	2,700	+1.7%
197	Sant Hilari Sacalm	2,655	+1%
198	El Catllar	2,630	+3.1%
199	Anglès	2,615	+2.3%
200	Vielha e Mijaran	2,605	+5%
201	Agramunt	2,600	+1.8%
202	Vilafant	2,585	+0.4%
203	Bescanó	2,565	+2%
203	Sant Pere de Vilamajor	2,565	+2.6%
205	Altafulla	2,550	+1.4%
206	Els Pallaresos	2,520	+3.5%
207	Súria	2,515	+2.7%
208	Torrefarrera	2,500	+0.4%
209	Collbató	2,475	+2.9%
210	Sant Pol de Mar	2,470	+2.3%
211	Cabrera de Mar	2,465	+3.4%
211	Tremp	2,465	-0.6%
213	Alcover	2,460	+3.4%
214	Capellades	2,405	+2.8%
215	L'Arboç	2,400	+1.9%
216	Porqueres	2,395	+1.1%
217	Móra d'Ebre	2,380	+3.9%
218	Bellpuig	2,320	+1.3%
219	Martorelles	2,315	+5.2%
220	Riells i Viabrea	2,270	+5.3%
220	Ulldecona	2,270	+2%
222	Llançà	2,215	0%
223	El Papiol	2,200	+2.6%
224	Vilablareix	2,190	+5.8%
225	Sant Climent de Llobregat	2,145	+2.6%
226	Hostalric	2,115	+1.7%
227	La Pobla de Mafumet	2,110	+2.4%
228	Sant Gregori	2,055	+3.3%
229	Quart	2,045	+3%
230	L'Aldea	2,025	+2.8%
230	Olivella	2,025	+3.8%
232	Gironella	1,985	+1.5%
233	La Sénia	1,970	+2.9%
234	Seva	1,935	+1%
235	El Morell	1,930	+6.3%
236	Castellbell i el Vilar	1,925	+3.2%
236	Olèrdola	1,925	+2.9%
238	La Torre de Claramunt	1,920	+4.6%
239	Balenyà	1,890	+1.6%
239	Sant Cebrià de Vallalta	1,890	+7.4%
241	El Pont de Vilomara i Rocafort	1,875	+0.3%
242	Sant Julià de Ramis	1,860	+3.3%
243	La Bisbal del Penedès	1,855	+4.2%
244	Breda	1,845	+0.8%
245	Begur	1,840	-2.4%
245	Puig-reig	1,840	+0.8%
247	Santa Susanna	1,830	+1.1%
248	Sant Hipòlit de Voltregà	1,825	+3.4%
249	Alcoletge	1,780	+0.3%
250	Cardona	1,770	+1.1%

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 774,165 in May 2026, according to the Institut d'Estadística de Catalunya.

Which municipality has the lowest social Security affiliates?

Sant Jaume de Frontanyà, with 10 in May 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.