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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>