How is the age structure measured?

We rank by the share of permanent residents aged 65 and over from the BFS STATPOP register. The full table also shows every municipality’s share, so the youngest municipalities are visible as well.

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Ranking · Data 2023 · Source: BFS

The municipalities with the highest share of residents 65+ in canton Solothurn (2023)

Bärschwil has the highest share of residents aged 65 and over in canton Solothurn: 29.1% (2023). It is followed by Rodersdorf (29%) and Kammersrohr (29%). Source: BFS, STATPOP 2023.

Ranking

BFS · STATPOP · 2023

Rank	Municipality	Residents 65+	Residents
1	Bärschwil	29.1%	794
2	Rodersdorf	29%	1'418
3	Kammersrohr	29%	31
4	Kleinlützel	29%	1'197
5	Langendorf	27.1%	3'858
6	Balm bei Günsberg	27%	226
7	Feldbrunnen-St. Niklaus	26.7%	1'027
8	Hochwald	26.5%	1'266
9	Rüttenen	26.2%	1'541
10	Biezwil	25.1%	354
11	Lohn-Ammannsegg	25%	2'976
12	Halten	24.5%	854
13	Welschenrohr-Gänsbrunnen	24.4%	1'205
14	Himmelried	24.3%	977
15	Bellach	24.1%	5'453
16	Lommiswil	24%	1'630
17	Metzerlen-Mariastein	23.9%	973
18	Nuglar-St. Pantaleon	23.9%	1'546
19	Obergösgen	23.9%	2'457
20	Aeschi	23.9%	1'329
21	Herbetswil	23.8%	605
22	Günsberg	23.8%	1'185
23	Hubersdorf	23.8%	717
24	Grindel	23.8%	517
25	Aedermannsdorf	23.7%	599
26	Dornach	23.7%	6'862
27	Winznau	23.6%	2'058
28	Bettlach	23.6%	4'978
29	Beinwil	23.4%	274
30	Lüterkofen-Ichertswil	23.3%	904
31	Riedholz	23.2%	2'313
32	Luterbach	23.1%	3'640
33	Oberdorf	23.1%	1'859
34	Deitingen	23%	2'340
35	Kriegstetten	23%	1'427
36	Seewen	22.9%	1'064
37	Nunningen	22.8%	1'973
38	Witterswil	22.5%	1'467
39	Hofstetten-Flüh	22.4%	3'401
40	Erschwil	22.3%	960
41	Mümliswil-Ramiswil	22.2%	2'451
42	Buchegg	22.2%	2'926
43	Stüsslingen	22.2%	1'257
44	Lostorf	22.1%	4'088
45	Breitenbach	22%	4'304
46	Obergerlafingen	21.9%	1'262
47	Grenchen	21.9%	18'295
48	Wisen	21.7%	443
49	Drei Höfe	21.6%	742
50	Walterswil	21.6%	749
51	Solothurn	21.5%	16'855
52	Oekingen	21.5%	868
53	Gunzgen	21.4%	1'712
54	Wolfwil	21.3%	2'401
55	Recherswil	21.3%	2'180
56	Fulenbach	21.2%	1'808
57	Meltingen	21.2%	645
58	Zullwil	21.2%	675
59	Matzendorf	21%	1'374
60	Biberist	21%	9'345
61	Däniken	21%	3'041
62	Messen	20.9%	1'496
63	Fehren	20.8%	595
64	Laupersdorf	20.7%	1'897
65	Hüniken	20.6%	160
66	Dulliken	20.6%	5'396
67	Erlinsbach	20.5%	3'691
68	Selzach	20.5%	3'682
69	Gempen	20.4%	932
70	Subingen	20.4%	3'285
71	Flumenthal	20.4%	1'043
72	Gretzenbach	20.4%	2'800
73	Kestenholz	20.3%	1'881
74	Hauenstein-Ifenthal	20.3%	325
75	Lüsslingen-Nennigkofen	20.2%	1'140
76	Bättwil	20.2%	1'191
77	Schnottwil	19.9%	1'150
78	Niedergösgen	19.9%	4'197
79	Derendingen	19.8%	7'008
80	Balsthal	19.6%	6'501
81	Eppenberg-Wöschnau	19.6%	326
82	Kappel	19.6%	3'511
83	Schönenwerd	19.6%	5'201
84	Kienberg	19.5%	528
85	Holderbank	19.4%	753
86	Starrkirch-Wil	19.4%	1'956
87	Rickenbach	19.2%	1'198
88	Hägendorf	19.1%	5'277
89	Büsserach	19.1%	2'431
90	Trimbach	18.8%	6'667
91	Horriwil	18.6%	911
92	Zuchwil	18.6%	9'452
93	Olten	18.6%	18'715
94	Wangen bei Olten	18.6%	5'539
95	Büren	18.2%	1'055
96	Etziken	17.9%	1'070
97	Egerkingen	17.4%	4'300
98	Niederbuchsiten	17.2%	1'301
99	Gerlafingen	17.2%	5'794
100	Neuendorf	17.1%	2'404
101	Bolken	16.7%	593
102	Oensingen	16.6%	6'636
103	Härkingen	16.5%	1'767
104	Oberbuchsiten	15.7%	2'386
105	Unterramsern	15%	220
106	Boningen	13.9%	807

How we measure this

BFS · STATPOP

Share of permanent residents aged 65 and over, per municipality, from the BFS STATPOP register (2023). The inverse reading — the youngest municipalities — is at the bottom of the table.

Frequently asked questions

Which municipality in canton Solothurn has the oldest population?: Bärschwil has the highest share of residents 65+ in canton Solothurn: 29.1% as of 2023.
How is the age structure measured?: We rank by the share of permanent residents aged 65 and over from the BFS STATPOP register. The full table also shows every municipality’s share, so the youngest municipalities are visible as well.