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Population & demographics
All demographic data for Olivetta San Michele: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Olivetta San Michele.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Olivetta San Michele.
Olivetta San Michele is a small municipality in the province of Imperia, Liguria region. With a population of 190 inhabitants and a density of 14 per km², it covers an area of 13.8 km². The average declared income is 19.872 €.
Olivetta San Michele in numbers: the analysis
The census record tells a story of long decline: in 1951 Olivetta San Michele had 530 inhabitants; today (2026) it has 190 — 64.2% fewer.
The ageing index is one of the starkest signals: in Olivetta San Michele there are 333 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 151 inhabitants for Olivetta San Michele: an expected decline of 20.5% from today.
Compared with the provincial average of Imperia (about 3,180 residents per municipality), Olivetta San Michele is a markedly smaller centre.
Among the 66 municipalities of the province of Imperia, Olivetta San Michele ranks 61 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 203 |
| 2020 | 191 |
| 2021 | 199 |
| 2022 | 201 |
| 2023 | 196 |
| 2024 | 190 |
| 2025 | 202 |
| 2026 | 190 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 97 | 51.1% |
| Women | 93 | 48.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 2 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 1 |
| 2025 | 0 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 530 |
| 1961 | 462 |
| 1971 | 334 |
| 1981 | 304 |
| 1991 | 301 |
| 2001 | 238 |
| 2011 | 225 |
| 2019 | 203 |
| 2020 | 191 |
| 2021 | 199 |
| 2022 | 201 |
| 2023 | 196 |
| 2024 | 190 |
| 2025 | 202 |
| 2026 | 190 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 174 | 43.1% |
| Married | 170 | 42.1% |
| Divorced | 12 | 3.0% |
| Widowed | 48 | 11.9% |
School-Age Population (2026)
Total 0-18 years: 28
| Valore | |
|---|---|
| Nido (0-2) | 2 |
| Infanzia (3-5) | 3 |
| Primaria (6-10) | 9 |
| Medie (11-13) | 7 |
| Superiori (14-18) | 7 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Olivetta San Michele population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/olivetta-san-michele-008038" title="Population pyramid of Olivetta San Michele — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/olivetta-san-michele-008038" alt="Population pyramid of Olivetta San Michele — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>