Municipalities in Catalonia by social Security affiliates, August 2026

Name: Municipalities in Catalonia by social Security affiliates, August 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 August 2026, at 765,320. Sant Jaume de Frontanyà had the lowest, at 10. The median was 450 and the figure for Catalonia was 3.77 million. Source: the Institut d'Estadística de Catalunya.

Highest765,320Barcelona

Lowest10Sant Jaume de Frontanyà

Median450947 municipalities

Catalonia3,772,925History

Top 40 municipalities, August 2026

CSV Chart (SVG)

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

Full ranking

Rank	Municipalities	August 2026 persons	Change on August 2025
1	Barcelona	765,320	+2.5%
2	L'Hospitalet de Llobregat	130,135	+5.5%
3	Terrassa	104,520	+3.4%
4	Sabadell	100,170	+3.3%
5	Badalona	99,360	+2.5%
6	Lleida	64,205	+2.9%
7	Tarragona	59,960	+3.3%
8	Mataró	57,985	+3.4%
9	Santa Coloma de Gramenet	52,615	+4.4%
10	Girona	49,595	+0.9%
11	Reus	48,070	+2.4%
12	Sant Cugat del Vallès	42,935	-0.1%
13	Cornellà de Llobregat	41,830	+3.4%
14	Sant Boi de Llobregat	38,125	+2%
15	Rubí	37,415	+2.9%
16	Manresa	33,465	+4.2%
17	Viladecans	32,605	+4%
18	Vilanova i la Geltrú	31,310	+3.5%
19	Castelldefels	30,735	+0.8%
20	Granollers	29,865	+4.1%
21	El Prat de Llobregat	29,415	+1.3%
22	Cerdanyola del Vallès	25,540	+1.1%
23	Mollet del Vallès	24,050	+3.4%
24	Vic	23,860	+4.1%
25	Figueres	22,775	+3.2%
26	Gavà	21,195	+1.2%
27	Sant Feliu de Llobregat	21,070	+1.1%
28	Esplugues de Llobregat	20,565	+2.6%
29	Blanes	19,220	+1.2%
30	Lloret de Mar	19,175	+2.7%
31	Vilafranca del Penedès	19,055	+3.3%
32	Olot	18,475	+3.3%
33	Ripollet	18,245	+2.3%
34	Igualada	17,800	+2.9%
35	El Vendrell	17,470	+3.8%
36	Cambrils	17,005	+3.2%
37	Montcada i Reixac	16,980	+2.8%
38	Sant Joan Despí	16,965	+2.1%
39	Sant Adrià de Besòs	16,240	+3%
40	Salou	15,915	+4%
41	Barberà del Vallès	15,315	+0.4%
42	Salt	14,860	+6%
43	Sant Pere de Ribes	14,565	+3%
44	Tortosa	14,040	+3.6%
45	Calafell	13,510	+4.3%
46	Sitges	13,485	+0.8%
47	Pineda de Mar	13,150	+2.1%
48	Martorell	13,060	+4.4%
49	Molins de Rei	12,920	+1.2%
50	Sant Vicenç dels Horts	12,800	+1.5%
51	Premià de Mar	12,705	+0.1%
52	Sant Andreu de la Barca	12,380	+2.4%
53	Santa Perpètua de Mogoda	12,090	+2.1%
54	Castellar del Vallès	12,065	+1.5%
55	Palafrugell	11,680	+3.2%
56	Olesa de Montserrat	11,465	+3.6%
57	Vila-seca	11,415	+1.3%
58	El Masnou	11,290	+1.6%
59	Valls	10,880	+3.3%
60	Esparreguera	10,440	+3.4%
61	Sant Feliu de Guíxols	10,325	+0.5%
62	Banyoles	10,040	+2.4%
63	Les Franqueses del Vallès	10,005	+3.8%
64	Roses	9,595	+1.7%
65	Amposta	9,400	+4.7%
66	Calella	9,270	+1.8%
67	Sant Just Desvern	9,260	+1.3%
68	Sant Quirze del Vallès	9,230	+1.3%
69	Vilassar de Mar	9,185	-0.2%
70	Malgrat de Mar	9,050	+1.3%
71	Manlleu	8,985	+3.4%
72	Parets del Vallès	8,960	+1.9%
73	Palamós	8,925	+0.1%
74	Cardedeu	8,855	+2%
75	Caldes de Montbui	8,750	+0.3%
76	Tàrrega	8,695	+4.6%
77	Sant Celoni	8,525	+3.2%
78	Tordera	8,480	+3.5%
79	Piera	8,210	+4.8%
80	Lliçà d'Amunt	8,190	+2.8%
81	La Garriga	8,130	+1.8%
82	Cubelles	7,935	+2.9%
83	Torredembarra	7,820	+3.7%
84	Montornès del Vallès	7,780	+2.3%
85	Corbera de Llobregat	7,760	+2.9%
86	Vallirana	7,690	+1.7%
87	Mollerussa	7,555	+4.9%
88	Palau-solità i Plegamans	7,430	+1.5%
89	Balaguer	7,425	+1.8%
90	Arenys de Mar	7,245	+2.9%
91	Canovelles	7,125	+3%
92	Berga	7,100	+3.6%
93	Torelló	6,970	+1.8%
94	Santa Coloma de Farners	6,710	+3.5%
95	Cunit	6,670	+5%
96	Canet de Mar	6,540	+1.1%
97	Torroella de Montgrí	6,395	+2.8%
98	Abrera	6,365	+3.4%
99	Castellbisbal	6,300	+1.4%
100	La Ràpita	6,270	+2%
101	Mont-roig del Camp	6,250	+3%
102	Montgat	6,105	+1.7%
103	Sant Sadurní d'Anoia	5,955	+0.3%
104	Argentona	5,910	+1.8%
105	La Llagosta	5,870	+1.6%
106	Pallejà	5,720	+2.2%
107	Castell d'Aro, Platja d'Aro i s'Agaró	5,700	+2%
108	Alcarràs	5,660	+4%
109	Calonge i Sant Antoni	5,650	+1.5%
109	Castelló d'Empúries	5,650	+1.9%
111	Vilanova del Camí	5,590	+3.2%
112	La Roca del Vallès	5,535	+1.8%
113	La Bisbal d'Empordà	5,470	+1.9%
114	Cassà de la Selva	5,415	+0.3%
115	Llinars del Vallès	5,330	+2.9%
116	Sant Andreu de Llavaneres	5,230	+0.1%
117	Bigues i Riells del Fai	5,070	+3.8%
118	Badia del Vallès	5,055	+2.1%
119	Deltebre	4,985	+1.6%
120	Sant Joan de Vilatorrada	4,960	-0.2%
121	Masquefa	4,935	+4%
122	Palafolls	4,930	-1.3%
123	L'Escala	4,900	+3.5%
124	Puigcerdà	4,805	+2.9%
125	Ripoll	4,720	+4%
126	Premià de Dalt	4,700	-0.8%
127	Cervelló	4,665	+2.5%
128	La Seu d'Urgell	4,660	+2.1%
129	Sentmenat	4,650	+1.9%
130	Matadepera	4,625	+1.3%
131	L'Ametlla del Vallès	4,620	+1.5%
132	Tiana	4,585	+2.2%
133	Santa Maria de Palautordera	4,560	+1.8%
134	Llagostera	4,455	+2.4%
134	Sant Fruitós de Bages	4,455	+1.4%
136	Solsona	4,450	+4.2%
137	Cervera	4,435	+3.6%
138	Arenys de Munt	4,380	+0.8%
139	Sant Esteve Sesrovires	4,320	+2.6%
140	Polinyà	4,260	+1.9%
141	Alella	4,255	+1.1%
142	Sant Fost de Campsentelles	4,225	+1.7%
143	Vilassar de Dalt	4,215	+1%
144	Tona	4,190	+2.2%
145	Santa Margarida de Montbui	4,180	+3.2%
146	Sant Vicenç de Castellet	4,175	+0.5%
147	Montmeló	4,125	+2.6%
148	Santa Coloma de Cervelló	4,105	+1.7%
149	Vidreres	4,090	+2.4%
150	Guissona	4,070	+2.3%
151	Caldes de Malavella	4,065	+1.2%
152	Vacarisses	3,935	+4%
153	Gelida	3,825	+2.7%
154	Santa Eulàlia de Ronçana	3,755	+1.1%
155	Centelles	3,710	+0.3%
156	Begues	3,665	+2.2%
156	Maçanet de la Selva	3,665	+5.3%
158	Roquetes	3,645	+3.8%
158	Viladecavalls	3,645	+0.6%
160	Santpedor	3,600	+1.4%
161	Alcanar	3,570	+1.1%
162	Roda de Berà	3,555	+4.6%
163	Cabrils	3,525	+0.9%
164	Santa Margarida i els Monjos	3,490	+3.4%
165	Montblanc	3,455	+1.2%
166	Sils	3,380	+2.3%
167	Tossa de Mar	3,370	+3.9%
168	Sant Feliu de Codines	3,325	+2.3%
169	Taradell	3,300	+1.2%
170	Roda de Ter	3,295	+3.3%
171	Lliçà de Vall	3,290	+2%
172	Alpicat	3,285	+1.9%
173	Vandellòs i l'Hospitalet de l'Infant	3,180	+0.3%
174	Moià	3,160	+1%
175	Riudoms	3,135	+2.5%
175	Sant Antoni de Vilamajor	3,135	+0.3%
177	Dosrius	3,115	+1.8%
178	Torrelles de Llobregat	3,100	+1.5%
179	Vielha e Mijaran	3,085	+4.2%
180	L'Ametlla de Mar	3,070	+1.3%
180	Sant Vicenç de Montalt	3,070	+2.2%
182	Teià	3,010	+1.2%
183	Arbúcies	2,995	+4.2%
184	Constantí	2,930	+4.5%
185	Almacelles	2,915	+3.7%
186	Vilanova del Vallès	2,895	+2.1%
187	Les Borges Blanques	2,870	+5.1%
187	Santa Cristina d'Aro	2,870	+1.2%
189	Celrà	2,845	-0.9%
190	Artés	2,840	+2.5%
190	Sallent	2,840	+0.2%
192	La Canonja	2,795	-2.1%
193	Navarcles	2,770	+0.5%
194	Sarrià de Ter	2,735	+2.4%
195	Canyelles	2,720	+4.8%
196	La Selva del Camp	2,700	+0.7%
197	Navàs	2,695	+0.6%
198	Sant Hilari Sacalm	2,680	+2.3%
199	El Catllar	2,630	+3.1%
200	Altafulla	2,610	+1.4%
201	Anglès	2,595	+2.2%
202	Agramunt	2,590	+0.6%
203	Vilafant	2,560	-3%
204	Tremp	2,550	+0.8%
205	Bescanó	2,545	+1.6%
206	Torrefarrera	2,495	+0.6%
207	Sant Pere de Vilamajor	2,485	+0.8%
207	Súria	2,485	+4.2%
209	Sant Pol de Mar	2,470	+1.6%
210	Alcover	2,465	+2.5%
210	Els Pallaresos	2,465	+0.8%
212	Collbató	2,435	+3.6%
213	Bellpuig	2,420	+3.4%
214	L'Arboç	2,390	+1.1%
215	Capellades	2,380	+3.3%
215	Porqueres	2,380	+0.6%
217	Móra d'Ebre	2,375	+6.7%
218	Cabrera de Mar	2,370	+1.5%
219	Llançà	2,335	-1.7%
220	Martorelles	2,285	+6%
221	Riells i Viabrea	2,195	+2.6%
222	Vilablareix	2,175	+5.3%
223	Ulldecona	2,170	+2.8%
224	El Papiol	2,130	+2.4%
225	Hostalric	2,105	+3.2%
226	La Pobla de Mafumet	2,080	+1.7%
227	Sant Climent de Llobregat	2,065	+1.2%
228	L'Aldea	2,040	+3.6%
229	Olivella	2,020	+4.1%
229	Quart	2,020	+1.3%
231	Sant Gregori	2,015	+2%
232	Gironella	1,965	+2.6%
233	La Sénia	1,920	+3.2%
234	Begur	1,915	-2.8%
235	Olèrdola	1,910	+3.2%
236	Seva	1,905	+0.8%
237	El Morell	1,895	+2.7%
238	Castellbell i el Vilar	1,885	+3.9%
238	La Torre de Claramunt	1,885	+5.6%
240	Sant Cebrià de Vallalta	1,875	+5%
241	Puig-reig	1,855	+2.5%
241	Santa Susanna	1,855	0%
243	El Pont de Vilomara i Rocafort	1,850	+2.5%
243	La Bisbal del Penedès	1,850	+5.1%
245	Sant Julià de Ramis	1,840	+1.9%
246	Balenyà	1,835	+0.8%
247	Alcoletge	1,820	+3.1%
248	Breda	1,815	+1.7%
249	Sant Hipòlit de Voltregà	1,810	+2.5%
250	Cardona	1,780	+1.4%

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 765,320 in August 2026, according to the Institut d'Estadística de Catalunya.

Which municipality has the lowest social Security affiliates?

Sant Jaume de Frontanyà, with 10 in August 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.