Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Sardegna.
Province page
Open the full profile page for the province of Oristano.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Sardegna ranked by average income.
Provincial population ranking
View the municipalities in the province of Oristano ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Suni: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Suni.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Suni.
Suni is a small municipality in the province of Oristano, Sardegna region. With a population of 968 inhabitants and a density of 20 per km², it covers an area of 48.3 km². The average declared income is 17.577 €.
Suni in numbers: the analysis
Demographic projections to 2050 estimate about 725 inhabitants for Suni: an expected decline of 25.1% from today.
The ageing index is one of the starkest signals: in Suni there are 413 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 Suni had 1,824 inhabitants; today (2026) it has 968 — 46.9% fewer.
Among the 87 municipalities of the province of Oristano, Suni ranks 40 by population.
Compared with the provincial average of Oristano (about 1,687 residents per municipality), Suni is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1053 |
| 2020 | 1032 |
| 2021 | 1005 |
| 2022 | 994 |
| 2023 | 977 |
| 2024 | 980 |
| 2025 | 985 |
| 2026 | 968 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 465 | 48.0% |
| Women | 503 | 52.0% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 12 |
| 2025 | 6 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1824 |
| 1961 | 1700 |
| 1971 | 1480 |
| 1981 | 1382 |
| 1991 | 1299 |
| 2001 | 1237 |
| 2011 | 1130 |
| 2019 | 1053 |
| 2020 | 1032 |
| 2021 | 1005 |
| 2022 | 994 |
| 2023 | 977 |
| 2024 | 980 |
| 2025 | 985 |
| 2026 | 968 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 854 | 43.4% |
| Married | 876 | 44.5% |
| Divorced | 54 | 2.7% |
| Widowed | 186 | 9.4% |
School-Age Population (2026)
Total 0-18 years: 101
| Valore | |
|---|---|
| Nido (0-2) | 19 |
| Infanzia (3-5) | 10 |
| Primaria (6-10) | 23 |
| Medie (11-13) | 17 |
| Superiori (14-18) | 32 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Suni population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/suni-095087" title="Population pyramid of Suni — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/suni-095087" alt="Population pyramid of Suni — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>