Seui: 1137 inhabitants (2026)
ISTAT Code: 111081
39.8397°N, 9.3241°E
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Population & demographics
All demographic data for Seui: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Seui.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Seui.
Seui is a small municipality in the province of Sud Sardegna, Sardegna region. With a population of 1137 inhabitants and a density of 8 per km², it covers an area of 147.5 km². The average declared income is 16.637 €.
Seui in numbers: the analysis
Demographic projections to 2050 estimate about 810 inhabitants for Seui: an expected decline of 28.8% from today.
Compared with the provincial average of Sud Sardegna (about 3,058 residents per municipality), Seui is a markedly smaller centre.
Among the 107 municipalities of the province of Sud Sardegna, Seui ranks 66 by population.
The census record tells a story of long decline: in 2019 Seui had 1,255 inhabitants; today (2026) it has 1,137 — 9.4% fewer.
The ageing index is one of the starkest signals: in Seui there are 361 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1255 |
| 2020 | 1243 |
| 2021 | 1218 |
| 2022 | 1178 |
| 2023 | 1153 |
| 2024 | 1146 |
| 2025 | 1150 |
| 2026 | 1137 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 587 | 51.6% |
| Women | 550 | 48.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 7 |
| 2025 | 6 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 2019 | 1255 |
| 2020 | 1243 |
| 2021 | 1218 |
| 2022 | 1178 |
| 2023 | 1153 |
| 2024 | 1146 |
| 2025 | 1150 |
| 2026 | 1137 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1212 | 52.7% |
| Married | 834 | 36.3% |
| Divorced | 54 | 2.3% |
| Widowed | 200 | 8.7% |
School-Age Population (2026)
Total 0-18 years: 129
| Valore | |
|---|---|
| Nido (0-2) | 19 |
| Infanzia (3-5) | 16 |
| Primaria (6-10) | 26 |
| Medie (11-13) | 30 |
| Superiori (14-18) | 38 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Seui population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/seui-111081" title="Population pyramid of Seui — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/seui-111081" alt="Population pyramid of Seui — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>