Sezze is a medium-sized municipality in the province of Latina, Lazio region. With a population of 23.766 inhabitants and a density of 0 per km², it covers an area of 0.0 km². The average declared income is 18.281 €.

Population Trend

Male/Female Ratio

23.766Totale
Men
Women

Demographic Statistics

Men12.114
Women11.652
Year2026

Demographic Indices

+0.29%
Annual change
change from the previous year
184.9
Ageing index
65+ / 0-14 × 100
51.7
Dependency ratio
(0-14 + 65+) / 15-64 × 100
149.6
Workforce replacement
60-64 / 15-19 × 100
132.4
Workforce structure
40-64 / 15-39 × 100
17.4
Child dependency
0-4 / women 15-49 × 100
45.16
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: 3803

Foreign residents

Foreign presence and top citizenships

Main citizenships
Foreign residents
3831
Foreign-resident share: 16.17%
Main citizenships
Romania1998
India455
Albania284
Nigeria274
Marocco121
Source: ISTAT 2025, MEF 2023, ISPRA 2024, EEA 2022 · Year: 2025