Municipalities in Catalonia by social Security affiliates

Barcelona had the highest social Security affiliates of 947 municipalities in November 2025, at 766,415. Sant Jaume de Frontanyà had the lowest, at 5. The median was 430 and the figure for Catalonia was 3.7 million. Source: the Institut d'Estadística de Catalunya.

Highest766,415Barcelona
Median430947 municipalities
Catalonia3,697,350History

Top 40 municipalities, November 2025

CSVChart (SVG)

BarcelonaBarcelona: 766,415 persons766,415L'Hospitalet de LlobregatL'Hospitalet de Llobregat: 125,930 persons125,930TerrassaTerrassa: 105,220 persons105,220SabadellSabadell: 100,180 persons100,180BadalonaBadalona: 99,510 persons99,510LleidaLleida: 60,750 persons60,750MataróMataró: 57,325 persons57,325TarragonaTarragona: 56,520 persons56,520Santa Coloma de GramenetSanta Coloma de Gramenet: 51,520 persons51,520GironaGirona: 49,140 persons49,140ReusReus: 45,115 persons45,115Sant Cugat del VallèsSant Cugat del Vallès: 44,730 persons44,730Cornellà de LlobregatCornellà de Llobregat: 41,760 persons41,760Sant Boi de LlobregatSant Boi de Llobregat: 38,560 persons38,560RubíRubí: 37,550 persons37,550ManresaManresa: 33,235 persons33,235ViladecansViladecans: 32,295 persons32,295CastelldefelsCastelldefels: 30,755 persons30,755Vilanova i la GeltrúVilanova i la Geltrú: 30,625 persons30,625El Prat de LlobregatEl Prat de Llobregat: 29,615 persons29,615GranollersGranollers: 29,520 persons29,520Cerdanyola del VallèsCerdanyola del Vallès: 26,035 persons26,035Mollet del VallèsMollet del Vallès: 24,040 persons24,040VicVic: 23,395 persons23,395Sant Feliu de LlobregatSant Feliu de Llobregat: 21,550 persons21,550GavàGavà: 21,405 persons21,405FigueresFigueres: 21,150 persons21,150Esplugues de LlobregatEsplugues de Llobregat: 20,615 persons20,615Vilafranca del PenedèsVilafranca del Penedès: 18,810 persons18,810RipolletRipollet: 18,430 persons18,430OlotOlot: 18,105 persons18,105IgualadaIgualada: 17,805 persons17,805Sant Joan DespíSant Joan Despí: 17,200 persons17,200Montcada i ReixacMontcada i Reixac: 17,090 persons17,090BlanesBlanes: 16,580 persons16,580El VendrellEl Vendrell: 16,300 persons16,300Sant Adrià de BesòsSant Adrià de Besòs: 16,160 persons16,160Barberà del VallèsBarberà del Vallès: 15,750 persons15,750CambrilsCambrils: 14,405 persons14,405Sant Pere de RibesSant Pere de Ribes: 14,265 persons14,265
persons. Source: Idescat. Retrieved 2026-10-07.

Full ranking

RankMunicipalitiesNovember 2025
persons
Change on November 2024
1Barcelona766,415+1.3%
2L'Hospitalet de Llobregat125,930+3%
3Terrassa105,220+2.4%
4Sabadell100,180+2.9%
5Badalona99,510+2%
6Lleida60,750+2.9%
7Mataró57,325+1.9%
8Tarragona56,520+1.6%
9Santa Coloma de Gramenet51,520+2.5%
10Girona49,140+2.3%
11Reus45,115+1.9%
12Sant Cugat del Vallès44,730+0.8%
13Cornellà de Llobregat41,760+2.7%
14Sant Boi de Llobregat38,560+2%
15Rubí37,550+2.6%
16Manresa33,235+3.1%
17Viladecans32,295+2.5%
18Castelldefels30,755+0.4%
19Vilanova i la Geltrú30,625+3.4%
20El Prat de Llobregat29,615+1.4%
21Granollers29,520+2.3%
22Cerdanyola del Vallès26,035+1.1%
23Mollet del Vallès24,040+2.6%
24Vic23,395+2.8%
25Sant Feliu de Llobregat21,550+1.6%
26Gavà21,405+1.2%
27Figueres21,150+2.3%
28Esplugues de Llobregat20,615+2.6%
29Vilafranca del Penedès18,810+2.8%
30Ripollet18,430+2.3%
31Olot18,105+1.7%
32Igualada17,805+2.3%
33Sant Joan Despí17,200+2.3%
34Montcada i Reixac17,090+1.8%
35Blanes16,580+1.5%
36El Vendrell16,300+3.9%
37Sant Adrià de Besòs16,160+1.1%
38Barberà del Vallès15,750+1.9%
39Cambrils14,405+2.3%
40Sant Pere de Ribes14,265+1.9%
41Salt14,040+3.3%
42Tortosa13,865+1.8%
43Lloret de Mar13,120+2%
43Sitges13,120+1.1%
45Molins de Rei13,075+1.9%
46Sant Vicenç dels Horts13,035+2%
47Martorell12,975+3.6%
48Premià de Mar12,890+1.2%
49Sant Andreu de la Barca12,590+0.8%
50Calafell12,490+3.2%
51Castellar del Vallès12,275+1.7%
52Santa Perpètua de Mogoda12,160+1.6%
53Olesa de Montserrat11,475+1.6%
54El Masnou11,390+2%
55Salou11,200+4%
56Pineda de Mar11,170+3.2%
57Esparreguera10,525+2%
58Valls10,495+1.5%
59Vila-seca9,980+3.7%
60Les Franqueses del Vallès9,965+2.4%
61Banyoles9,780+1%
62Palafrugell9,515+1.4%
63Sant Quirze del Vallès9,440-0.1%
64Sant Just Desvern9,435+0.5%
65Vilassar de Mar9,420+0.4%
66Sant Feliu de Guíxols9,175+2.3%
67Parets del Vallès9,070+1%
68Amposta9,040+1.2%
69Cardedeu8,990+2.2%
70Caldes de Montbui8,930+2.3%
71Manlleu8,795+2.3%
72Sant Celoni8,450+1.7%
73Tàrrega8,435+2.6%
74La Garriga8,305+1.2%
75Lliçà d'Amunt8,225+1.5%
76Piera8,085+3.5%
77Palamós7,925+2.5%
78Tordera7,885+2.7%
79Cubelles7,855+4.2%
80Montornès del Vallès7,825+1.4%
81Vallirana7,775+1.2%
82Corbera de Llobregat7,760+2%
83Calella7,705+2.3%
84Malgrat de Mar7,560+2.8%
85Palau-solità i Plegamans7,500+2.3%
86Roses7,370+0.9%
87Torredembarra7,165+2.4%
88Canovelles7,135+1.8%
89Balaguer7,100+3%
90Arenys de Mar7,080+2.4%
91Mollerussa7,040+0.9%
92Torelló6,975+3.3%
93Berga6,910+1.1%
94Santa Coloma de Farners6,535+2.3%
95Canet de Mar6,420+3.7%
96Castellbisbal6,415+0.9%
97Abrera6,370+2.3%
98Cunit6,335+5.1%
99Montgat6,160+1.1%
100Argentona5,995+1.7%
101La Ràpita5,985+2%
101Sant Sadurní d'Anoia5,985+0.8%
103La Llagosta5,890+1.7%
104Pallejà5,755+1.6%
105Vilanova del Camí5,625+0.9%
106La Roca del Vallès5,600+3.4%
107Mont-roig del Camp5,520+4.1%
108Llinars del Vallès5,305+3.6%
109Sant Andreu de Llavaneres5,300+1%
110Cassà de la Selva5,290+1.5%
111Badia del Vallès5,115+1.5%
112Sant Joan de Vilatorrada5,110+1.9%
113Torroella de Montgrí5,080+2.5%
114Bigues i Riells del Fai5,065+1.2%
115Alcarràs5,025+3.1%
116Calonge i Sant Antoni5,000+2.8%
117La Bisbal d'Empordà4,935+0.6%
118Masquefa4,890+3.4%
119Premià de Dalt4,845+1.9%
120Castell d'Aro, Platja d'Aro i s'Agaró4,835+3.6%
121Castelló d'Empúries4,830+2%
122Deltebre4,770+2%
123Matadepera4,760+3.4%
124Sentmenat4,710+2.1%
125Cervelló4,700+2%
126L'Ametlla del Vallès4,640+1.3%
127Tiana4,630+1.6%
128Palafolls4,620+1.2%
129Ripoll4,615+1%
130Santa Maria de Palautordera4,580+1%
131La Seu d'Urgell4,525+1.1%
132Sant Fruitós de Bages4,520+1.2%
133Puigcerdà4,515+1.1%
134Arenys de Munt4,385+1.4%
135Polinyà4,325+1.9%
136Cervera4,315+1.8%
137Alella4,305-0.5%
138Sant Esteve Sesrovires4,295+2.8%
138Solsona4,295+1.2%
140Sant Fost de Campsentelles4,280+2.1%
141Sant Vicenç de Castellet4,245+1.8%
142Vilassar de Dalt4,225+0.7%
143Tona4,220+2.8%
144Llagostera4,215+0.7%
145Santa Margarida de Montbui4,205+2.2%
146Santa Coloma de Cervelló4,195+2.6%
147Montmeló4,145+1.8%
148Caldes de Malavella4,015+3.3%
149L'Escala3,995+2%
150Guissona3,970+3.1%
151Vacarisses3,965+4.5%
152Gelida3,835+1.5%
153Santa Eulàlia de Ronçana3,825+2.8%
153Vidreres3,825+1.9%
155Viladecavalls3,755+1.6%
156Centelles3,750+1.5%
157Begues3,700+2.4%
158Alcanar3,665+1.4%
159Santpedor3,660+1.5%
160Roquetes3,605+2%
161Cabrils3,595+1.3%
162Maçanet de la Selva3,470+1.8%
163Santa Margarida i els Monjos3,450+0.7%
164Montblanc3,400+1.5%
165Sant Feliu de Codines3,370+4.5%
166Sils3,330+2.5%
167Lliçà de Vall3,320+1.5%
168Taradell3,295+1.1%
169Roda de Berà3,285+4%
170Roda de Ter3,245+1.7%
171Alpicat3,240+2.5%
172Sant Antoni de Vilamajor3,200+1.6%
173Moià3,195+2.1%
174Torrelles de Llobregat3,190+1.8%
175Dosrius3,145+2.8%
176Teià3,085+3.4%
177Sant Vicenç de Montalt3,080+4.2%
178Riudoms3,000+0.3%
179Arbúcies2,935+2.3%
180Vandellòs i l'Hospitalet de l'Infant2,910+1.6%
181Vilanova del Vallès2,880+0.3%
182Sallent2,875+1.1%
183Celrà2,870+1.1%
184Artés2,860+2.5%
185Navarcles2,8100%
186La Canonja2,785+1.1%
187Almacelles2,760+3%
187Constantí2,760+4.5%
189Les Borges Blanques2,735+2.4%
189Vielha e Mijaran2,735+5.6%
191Navàs2,725+1.3%
192Sarrià de Ter2,710+2.3%
193La Selva del Camp2,665+1.3%
194Canyelles2,655+4.7%
195Santa Cristina d'Aro2,615+2.3%
196L'Ametlla de Mar2,590+2.6%
197Agramunt2,585+0.4%
198Vilafant2,575-0.6%
199El Catllar2,570+5.8%
200Anglès2,565+0.2%
201Sant Hilari Sacalm2,560-0.2%
202Bescanó2,525+1.2%
203Sant Pere de Vilamajor2,500+1%
204Súria2,490+2.7%
205Tremp2,475+0.8%
206Collbató2,460+3.6%
206Torrefarrera2,460-0.2%
208Altafulla2,435+1.7%
208Els Pallaresos2,435+0.8%
210Cabrera de Mar2,410+0.4%
211Alcover2,400+2.8%
212Porqueres2,375+1.1%
213L'Arboç2,370+2.8%
214Sant Pol de Mar2,365+0.9%
215Capellades2,340-0.4%
216Bellpuig2,290+0.7%
217Móra d'Ebre2,260+3.2%
218Ulldecona2,255+2.5%
219Riells i Viabrea2,245+4.9%
220Martorelles2,220+1.4%
221El Papiol2,190+3.3%
222Vilablareix2,120+6%
223Sant Climent de Llobregat2,095+1%
224La Pobla de Mafumet2,085+2%
225Hostalric2,070+3%
226Llançà2,055+0.5%
227Tossa de Mar2,045+2.5%
228Quart2,015+2.3%
229Sant Gregori2,005+1.3%
230Olivella1,970+6.2%
231L'Aldea1,965+1.8%
232Gironella1,955-0.8%
233La Sénia1,950+1.8%
234Seva1,920+0.3%
235Castellbell i el Vilar1,900+2.4%
235Olèrdola1,900+0.5%
237El Pont de Vilomara i Rocafort1,895+0.5%
238Balenyà1,890+4.1%
239La Torre de Claramunt1,865+2.8%
240El Morell1,845+1.7%
241Puig-reig1,840+1.9%
242La Bisbal del Penedès1,830+7.3%
243Breda1,810+0.8%
244Sant Cebrià de Vallalta1,805+4%
244Sant Hipòlit de Voltregà1,805+1.4%
246Sant Julià de Ramis1,800-0.3%
247Cardona1,750+0.6%
248Òdena1,725+1.2%
249Alcoletge1,715+1.5%
249L'Espluga de Francolí1,715+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 766,415 in November 2025, according to the Institut d'Estadística de Catalunya.

Which municipality has the lowest social Security affiliates?

Sant Jaume de Frontanyà, with 5 in November 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.

Social Security affiliates: other rankings

Municipalities in Catalonia: more rankings