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Garbagna is a small municipality in the province of Alessandria, Piemonte region. With a population of 638 inhabitants and a density of 31 per km², it covers an area of 20,7 km². The average declared income is 20.875 €.

Garbagna in numbers: the analysis

The ageing index is one of the starkest signals: in Garbagna there are 437 residents over 65 for every 100 under 14, well above the national average.

Demographic projections to 2050 estimate about 556 inhabitants for Garbagna: an expected decline of 12.9% from today.

Compared with the provincial average of Alessandria (about 2,182 residents per municipality), Garbagna is a markedly smaller centre.

Among the 187 municipalities of the province of Alessandria, Garbagna ranks 98 by population.

The census record tells a story of long decline: in 1951 Garbagna had 1,244 inhabitants; today (2026) it has 638 — 48.7% fewer.

Population Trend

Grafico a linee
AnnoPopolazione
2019664
2020651
2021618
2022615
2023609
2024617
2025626
2026638

Male/Female Ratio

Grafico a ciambella
Valore%
Men31950%
Women31950%

Demographic Statistics

Men319
Women319
Year2026

Demographic Indices

+1,92%
Annual change
change from the previous year
436,7
Ageing index
65+ / 0-14 × 100
70,1
Dependency ratio
(0-14 + 65+) / 15-64 × 100
207,1
Workforce replacement
60-64 / 15-19 × 100
156,8
Workforce structure
40-64 / 15-39 × 100
9,8
Child dependency
0-4 / women 15-49 × 100
51,9
Average age
weighted average age

Births (recent years)

Grafico a barre
Valore
20211
20224
20231
20242
20253

Historical Population (1951-present)

Grafico a linee
AnnoPopulation
19511244
19611027
1971836
1981749
1991661
2001681
2011707
2019664
2020651
2021618
2022615
2023609
2024617
2025626
2026638

Marital Status (2025)

Grafico a ciambella
Valore%
Single22435,8%
Married30448,6%
Divorced355,6%
Widowed6310,1%

School-Age Population (2026)

Total 0-18 years: 72

Grafico a barre
Valore
Nido (0-2)6
Infanzia (3-5)8
Primaria (6-10)14
Medie (11-13)16
Superiori (14-18)28

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
85
Foreign-resident share: 13,58%
Main citizenships
Romania38
Marocco11
Moldova7
Ucraina7
Brasile5

Embed this chart

Use the Garbagna population pyramid on your site or article — the DatiItalia source link is already included.

Population pyramid of Garbagna — DatiItalia
<a href="https://datitalia.eu/comune/garbagna-006079" title="Population pyramid of Garbagna — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/garbagna-006079" alt="Population pyramid of Garbagna — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>
Source: ISTAT, MEF, ISPRA, EEA · Year: 2025 · updated Aug 16, 2026

Altri dati e servizi a Garbagna