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Population & demographics
All demographic data for Arielli: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Arielli.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Arielli.
Arielli is a small municipality in the province of Chieti, Abruzzo region. With a population of 1042 inhabitants and a density of 90 per km², it covers an area of 11.6 km². The average declared income is 18.988 €.
Arielli in numbers: the analysis
The census record tells a story of long decline: in 1951 Arielli had 1,470 inhabitants; today (2026) it has 1,042 — 29.1% fewer.
The ageing index is one of the starkest signals: in Arielli there are 317 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 836 inhabitants for Arielli: an expected decline of 19.8% from today.
Compared with the provincial average of Chieti (about 3,549 residents per municipality), Arielli is a markedly smaller centre.
Among the 104 municipalities of the province of Chieti, Arielli ranks 56 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1111 |
| 2020 | 1121 |
| 2021 | 1084 |
| 2022 | 1081 |
| 2023 | 1070 |
| 2024 | 1048 |
| 2025 | 1039 |
| 2026 | 1042 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 512 | 49.1% |
| Women | 530 | 50.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 5 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1470 |
| 1961 | 1299 |
| 1971 | 1252 |
| 1981 | 1307 |
| 1991 | 1265 |
| 2001 | 1250 |
| 2011 | 1144 |
| 2019 | 1111 |
| 2020 | 1121 |
| 2021 | 1084 |
| 2022 | 1081 |
| 2023 | 1070 |
| 2024 | 1048 |
| 2025 | 1039 |
| 2026 | 1042 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 784 | 37.7% |
| Married | 1090 | 52.5% |
| Divorced | 40 | 1.9% |
| Widowed | 164 | 7.9% |
School-Age Population (2026)
Total 0-18 years: 135
| Valore | |
|---|---|
| Nido (0-2) | 8 |
| Infanzia (3-5) | 17 |
| Primaria (6-10) | 35 |
| Medie (11-13) | 29 |
| Superiori (14-18) | 46 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Arielli population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/arielli-069004" title="Population pyramid of Arielli — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/arielli-069004" alt="Population pyramid of Arielli — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>