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Population & demographics
All demographic data for Ardauli: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Ardauli.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Ardauli.
Ardauli is a small municipality in the province of Oristano, Sardegna region. With a population of 738 inhabitants and a density of 36 per km², it covers an area of 20.6 km². The average declared income is 17.505 €.
Ardauli in numbers: the analysis
Demographic projections to 2050 estimate about 460 inhabitants for Ardauli: an expected decline of 37.7% from today.
Compared with the provincial average of Oristano (about 1,687 residents per municipality), Ardauli is a markedly smaller centre.
Among the 87 municipalities of the province of Oristano, Ardauli ranks 45 by population.
The census record tells a story of long decline: in 1951 Ardauli had 1,954 inhabitants; today (2026) it has 738 — 62.2% fewer.
The ageing index is one of the starkest signals: in Ardauli there are 606 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 847 |
| 2020 | 829 |
| 2021 | 806 |
| 2022 | 780 |
| 2023 | 764 |
| 2024 | 760 |
| 2025 | 747 |
| 2026 | 738 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 350 | 47.4% |
| Women | 388 | 52.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 2 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1954 |
| 1961 | 2008 |
| 1971 | 1754 |
| 1981 | 1470 |
| 1991 | 1352 |
| 2001 | 1158 |
| 2011 | 946 |
| 2019 | 847 |
| 2020 | 829 |
| 2021 | 806 |
| 2022 | 780 |
| 2023 | 764 |
| 2024 | 760 |
| 2025 | 747 |
| 2026 | 738 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 630 | 42.2% |
| Married | 668 | 44.7% |
| Divorced | 32 | 2.1% |
| Widowed | 164 | 11.0% |
School-Age Population (2026)
Total 0-18 years: 67
| Valore | |
|---|---|
| Nido (0-2) | 11 |
| Infanzia (3-5) | 8 |
| Primaria (6-10) | 14 |
| Medie (11-13) | 13 |
| Superiori (14-18) | 21 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Ardauli population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/ardauli-095007" title="Population pyramid of Ardauli — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/ardauli-095007" alt="Population pyramid of Ardauli — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>