Municipalities of Spain by social Security affiliates

Name: Municipalities of Spain by social Security affiliates, June 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 June 2026, at 771,810. Sant Jaume de Frontanyà had the lowest, at 10. The median was 450. Source: the Institut d'Estadística de Catalunya.

Highest771,810Barcelona

Lowest10Sant Jaume de Frontanyà

Median450947 municipalities

Top 40 municipalities, June 2026

CSV Chart (SVG)

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

Full ranking

Rank	Municipalities	June 2026 persons	Change on June 2025
1	Barcelona	771,810	+2.4%
2	L'Hospitalet de Llobregat	128,750	+4.4%
3	Terrassa	106,670	+3.6%
4	Sabadell	101,810	+3.9%
5	Badalona	100,295	+2.6%
6	Lleida	63,960	+3.3%
7	Tarragona	60,015	+3.6%
8	Mataró	58,630	+2.9%
9	Santa Coloma de Gramenet	52,540	+3.5%
10	Girona	49,755	+1.3%
11	Reus	48,210	+3.2%
12	Sant Cugat del Vallès	44,460	+1.1%
13	Cornellà de Llobregat	42,200	+3.3%
14	Sant Boi de Llobregat	38,670	+2.3%
15	Rubí	37,930	+3.3%
16	Manresa	33,990	+4.8%
17	Viladecans	33,060	+4.4%
18	Vilanova i la Geltrú	31,785	+4.5%
19	Castelldefels	31,140	+1.5%
20	Granollers	30,195	+4%
21	El Prat de Llobregat	29,775	+2%
22	Cerdanyola del Vallès	26,205	+2%
23	Mollet del Vallès	24,490	+3.6%
24	Vic	23,880	+3.8%
25	Figueres	22,480	+3.8%
26	Sant Feliu de Llobregat	21,520	+2.1%
27	Gavà	21,420	+1.7%
28	Esplugues de Llobregat	20,835	+3.3%
29	Blanes	19,305	+2.7%
30	Vilafranca del Penedès	19,155	+3.3%
31	Lloret de Mar	18,965	+3.8%
32	Olot	18,575	+4%
33	Ripollet	18,535	+2.6%
34	Igualada	18,085	+3%
35	El Vendrell	17,580	+4.6%
36	Montcada i Reixac	17,305	+3.5%
37	Sant Joan Despí	17,295	+2.3%
38	Cambrils	17,015	+4.5%
39	Sant Adrià de Besòs	16,285	+2.8%
40	Salou	15,750	+4.8%
41	Barberà del Vallès	15,675	+1.5%
42	Salt	14,825	+6.6%
43	Sant Pere de Ribes	14,735	+3.7%
44	Tortosa	14,045	+3.6%
45	Sitges	13,610	+1.2%
46	Calafell	13,550	+5.1%
47	Martorell	13,225	+4.2%
48	Molins de Rei	13,220	+2.4%
49	Pineda de Mar	13,170	+3.5%
50	Sant Vicenç dels Horts	12,985	+1.8%
51	Premià de Mar	12,960	+1.3%
52	Sant Andreu de la Barca	12,700	+3.1%
53	Santa Perpètua de Mogoda	12,370	+3%
54	Castellar del Vallès	12,310	+1.9%
55	Palafrugell	11,715	+4.7%
56	Olesa de Montserrat	11,645	+3.5%
57	El Masnou	11,515	+2.1%
58	Vila-seca	11,490	+2.1%
59	Valls	10,755	+2.9%
60	Esparreguera	10,660	+3.4%
61	Sant Feliu de Guíxols	10,425	+2.2%
62	Les Franqueses del Vallès	10,205	+4.9%
63	Banyoles	10,180	+2.9%
64	Roses	9,515	+3.6%
65	Sant Quirze del Vallès	9,490	+1.7%
66	Amposta	9,460	+4%
66	Sant Just Desvern	9,460	+1.6%
68	Vilassar de Mar	9,450	+0.5%
69	Calella	9,195	+2.5%
70	Parets del Vallès	9,135	+1.6%
71	Cardedeu	9,125	+3.3%
72	Malgrat de Mar	9,115	+3.3%
73	Manlleu	9,045	+3.1%
74	Caldes de Montbui	9,005	+1.4%
75	Palamós	8,985	+2.5%
76	Tàrrega	8,730	+4.7%
77	Sant Celoni	8,555	+1.8%
78	Tordera	8,525	+4.7%
79	Lliçà d'Amunt	8,370	+3.2%
80	La Garriga	8,345	+2.6%
81	Piera	8,275	+5.2%
82	Cubelles	8,015	+3.3%
83	Montornès del Vallès	7,930	+2.9%
84	Vallirana	7,855	+2.7%
85	Corbera de Llobregat	7,840	+2.6%
86	Torredembarra	7,790	+4.4%
87	Palau-solità i Plegamans	7,550	+1.3%
88	Balaguer	7,390	+2.6%
89	Mollerussa	7,370	+3.9%
90	Arenys de Mar	7,350	+3.2%
91	Canovelles	7,225	+2%
92	Torelló	7,135	+2.5%
93	Berga	7,110	+3.6%
94	Santa Coloma de Farners	6,785	+4.2%
95	Cunit	6,725	+5%
96	Canet de Mar	6,685	+3.5%
97	Abrera	6,455	+2.5%
98	Castellbisbal	6,405	+1.5%
99	Torroella de Montgrí	6,330	+4.2%
100	Mont-roig del Camp	6,285	+5.5%
101	La Ràpita	6,280	+2.7%
102	Montgat	6,220	+2.6%
103	Sant Sadurní d'Anoia	6,050	+1.4%
104	Argentona	6,030	+2.6%
105	La Llagosta	5,945	+1.3%
106	Pallejà	5,860	+2.8%
107	Alcarràs	5,825	+5.3%
108	Castell d'Aro, Platja d'Aro i s'Agaró	5,760	+5%
109	Vilanova del Camí	5,745	+4.3%
110	Calonge i Sant Antoni	5,705	+3.4%
111	La Roca del Vallès	5,690	+2.5%
112	Castelló d'Empúries	5,650	+4.4%
113	La Bisbal d'Empordà	5,525	+3.5%
114	Cassà de la Selva	5,480	+2.2%
115	Llinars del Vallès	5,440	+3.4%
116	Sant Andreu de Llavaneres	5,290	+0.5%
117	Badia del Vallès	5,140	+2.8%
118	Bigues i Riells del Fai	5,120	+2.6%
119	Sant Joan de Vilatorrada	5,110	+1.6%
120	Deltebre	5,020	+1.9%
120	Masquefa	5,020	+4%
122	Palafolls	4,960	+0.6%
123	L'Escala	4,925	+4.8%
124	Premià de Dalt	4,820	+0.8%
125	Ripoll	4,780	+3.2%
126	Matadepera	4,765	+2%
127	Cervelló	4,740	+3%
128	Sentmenat	4,730	+2.6%
129	Puigcerdà	4,710	+4.2%
130	Tiana	4,700	+2.6%
131	L'Ametlla del Vallès	4,685	+1.3%
132	Santa Maria de Palautordera	4,645	+1.8%
133	La Seu d'Urgell	4,610	+1.9%
134	Sant Fruitós de Bages	4,560	+1.8%
135	Llagostera	4,500	+3.2%
136	Arenys de Munt	4,475	+1.7%
136	Solsona	4,475	+3.5%
138	Cervera	4,440	+4%
139	Sant Esteve Sesrovires	4,425	+3.5%
140	Polinyà	4,380	+2.8%
141	Alella	4,360	+2.2%
142	Sant Fost de Campsentelles	4,330	+2.2%
143	Santa Margarida de Montbui	4,290	+4.4%
144	Vilassar de Dalt	4,260	+0.8%
145	Sant Vicenç de Castellet	4,250	+1.7%
146	Tona	4,245	+2.2%
147	Santa Coloma de Cervelló	4,200	+2.7%
148	Montmeló	4,195	+2.1%
149	Caldes de Malavella	4,130	+2.5%
150	Vidreres	4,110	+2.1%
151	Guissona	4,050	+2.7%
152	Vacarisses	4,040	+5.6%
153	Gelida	3,905	+3.2%
154	Santa Eulàlia de Ronçana	3,815	+1.3%
155	Centelles	3,790	+0.5%
156	Begues	3,730	+2.6%
157	Maçanet de la Selva	3,725	+5.5%
158	Viladecavalls	3,715	+0.8%
159	Santpedor	3,695	+2.4%
160	Roquetes	3,680	+4.4%
161	Alcanar	3,640	+2.5%
162	Cabrils	3,625	+2.4%
163	Roda de Berà	3,605	+5.6%
164	Santa Margarida i els Monjos	3,520	+4%
165	Montblanc	3,470	+1.5%
166	Sils	3,435	+3.3%
167	Sant Feliu de Codines	3,395	+2.1%
168	Tossa de Mar	3,370	+5.5%
169	Lliçà de Vall	3,360	+2.6%
170	Roda de Ter	3,340	+4.5%
170	Taradell	3,340	+2%
172	Alpicat	3,325	+2.2%
173	Vandellòs i l'Hospitalet de l'Infant	3,220	+3.7%
174	Moià	3,200	+1.3%
175	Dosrius	3,190	+2.7%
176	Sant Antoni de Vilamajor	3,185	0%
177	Torrelles de Llobregat	3,170	+1.9%
178	Riudoms	3,165	+2.8%
179	Sant Vicenç de Montalt	3,110	+1.6%
180	Arbúcies	3,085	+5.3%
181	Teià	3,080	+1.1%
182	L'Ametlla de Mar	2,990	+3.3%
183	Vilanova del Vallès	2,980	+4.4%
184	Constantí	2,930	+4.3%
185	Celrà	2,925	+2.1%
186	Artés	2,900	+2.1%
187	Vielha e Mijaran	2,895	+5.9%
188	Sallent	2,890	+1%
189	Santa Cristina d'Aro	2,875	+2.7%
190	Almacelles	2,870	+3.4%
191	Les Borges Blanques	2,860	+4.8%
192	La Canonja	2,850	-0.2%
193	Navarcles	2,820	+1.4%
194	Sarrià de Ter	2,780	+4.1%
195	Canyelles	2,760	+6.4%
196	Navàs	2,755	+0.9%
197	La Selva del Camp	2,725	+1.9%
198	Sant Hilari Sacalm	2,705	+2.3%
199	El Catllar	2,675	+3.1%
200	Altafulla	2,625	+1.9%
201	Anglès	2,620	+2.7%
202	Agramunt	2,610	+1.6%
203	Vilafant	2,600	+1.2%
204	Bescanó	2,580	+2.6%
205	Sant Pere de Vilamajor	2,560	+3%
206	Súria	2,525	+4.6%
207	Tremp	2,520	+0.6%
208	Els Pallaresos	2,515	+3.7%
209	Sant Pol de Mar	2,510	+2.7%
210	Torrefarrera	2,505	+0.8%
211	Collbató	2,470	+3.8%
212	Alcover	2,465	+2.3%
213	Cabrera de Mar	2,450	+3.6%
214	Porqueres	2,415	+1%
215	L'Arboç	2,405	+2.1%
216	Capellades	2,400	+3.4%
217	Bellpuig	2,390	+3.9%
218	Móra d'Ebre	2,365	+4.4%
219	Llançà	2,340	+0.2%
220	Martorelles	2,315	+4.8%
221	Ulldecona	2,250	+2.3%
222	Vilablareix	2,235	+6.2%
223	Riells i Viabrea	2,230	+1.6%
224	El Papiol	2,195	+4%
225	Hostalric	2,145	+2.9%
226	Sant Climent de Llobregat	2,120	+2.7%
227	La Pobla de Mafumet	2,080	+2.5%
228	Sant Gregori	2,070	+3.5%
229	Quart	2,065	+3%
230	Olivella	2,045	+5.4%
231	L'Aldea	2,030	+2.3%
232	La Sénia	2,010	+3.9%
233	Gironella	2,000	+2.3%
234	Begur	1,960	0%
235	La Torre de Claramunt	1,935	+6.3%
236	Seva	1,920	+1.6%
237	El Morell	1,915	+4.6%
238	Castellbell i el Vilar	1,905	+4.1%
238	Olèrdola	1,905	+1.3%
240	Sant Cebrià de Vallalta	1,900	+6.7%
241	Balenyà	1,895	+3%
241	El Pont de Vilomara i Rocafort	1,895	+2.7%
243	Santa Susanna	1,885	+1.3%
244	Puig-reig	1,880	+2.5%
245	La Bisbal del Penedès	1,875	+7.1%
246	Sant Julià de Ramis	1,865	+3.3%
247	Sant Hipòlit de Voltregà	1,845	+3.7%
248	Breda	1,820	-0.3%
249	Cardona	1,815	+2.8%
250	Alcoletge	1,810	+1.7%

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 771,810 in June 2026, according to the Institut d'Estadística de Catalunya.

Which municipality has the lowest social Security affiliates?

Sant Jaume de Frontanyà, with 10 in June 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.