














Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Lazio.
Province page
Open the full profile page for the province of Latina.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Lazio ranked by average income.
Provincial population ranking
View the municipalities in the province of Latina ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Gaeta: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Gaeta.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Gaeta.
Gaeta is a medium-sized municipality in the province of Latina, Lazio region. With a population of 18.908 inhabitants and a density of 662 per km², it covers an area of 28.6 km². The average declared income is 24.287 €.
Gaeta in numbers: the analysis
The ageing index is one of the starkest signals: in Gaeta there are 332 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 15,038 inhabitants for Gaeta: an expected decline of 20.5% from today.
Among the 33 municipalities of the province of Latina, Gaeta ranks 10 by population.
Over the long run the population of Gaeta has stayed essentially stable: 18,323 inhabitants in 1951, 18,908 in 2026 (less than 5% change).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 20.214 |
| 2020 | 20.071 |
| 2021 | 19.755 |
| 2022 | 19.598 |
| 2023 | 19.463 |
| 2024 | 19.300 |
| 2025 | 19.137 |
| 2026 | 18.908 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 9189 | 48.6% |
| Women | 9719 | 51.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 98 |
| 2022 | 112 |
| 2023 | 90 |
| 2024 | 101 |
| 2025 | 74 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 18.323 |
| 1961 | 20.569 |
| 1971 | 22.181 |
| 1981 | 23.379 |
| 1991 | 22.334 |
| 2001 | 21.179 |
| 2011 | 20.762 |
| 2019 | 20.214 |
| 2020 | 20.071 |
| 2021 | 19.755 |
| 2022 | 19.598 |
| 2023 | 19.463 |
| 2024 | 19.300 |
| 2025 | 19.137 |
| 2026 | 18.908 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 15.162 | 39.6% |
| Married | 18.496 | 48.3% |
| Divorced | 1396 | 3.6% |
| Widowed | 3220 | 8.4% |
School-Age Population (2026)
Total 0-18 years: 2377
| Valore | |
|---|---|
| Nido (0-2) | 270 |
| Infanzia (3-5) | 304 |
| Primaria (6-10) | 597 |
| Medie (11-13) | 428 |
| Superiori (14-18) | 778 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Gaeta population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/gaeta-059009" title="Population pyramid of Gaeta — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/gaeta-059009" alt="Population pyramid of Gaeta — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>