Oliva Gessi is a small municipality in the province of Pavia, Lombardia region. With a population of 163 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 26.976 €.

Population Trend

Male/Female Ratio

163Totale
Men
Women

Demographic Statistics

Men82
Women81
Year2026

Demographic Indices

-2.4%
Annual change
change from the previous year
1066.7
Ageing index
65+ / 0-14 × 100
75.3
Dependency ratio
(0-14 + 65+) / 15-64 × 100
850
Workforce replacement
60-64 / 15-19 × 100
181.8
Workforce structure
40-64 / 15-39 × 100
9.1
Child dependency
0-4 / women 15-49 × 100
55.73
Average age
weighted average age

Births (recent years)

Historical Population (1951-present)

Marital Status (2026)

0Totale
Single
Married
Divorced
Widowed

School-Age Population (2026)

Total 0-18 years: 7

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
10
Foreign-resident share: 5.99%
Main citizenships
Romania3
Brasile2
Argentina1
Germania1
Slovacchia1
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025