














Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Toscana.
Province page
Open the full profile page for the province of Pisa.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Toscana ranked by average income.
Provincial population ranking
View the municipalities in the province of Pisa ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Chianni: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Chianni.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Chianni.
Chianni is a small municipality in the province of Pisa, Toscana region. With a population of 1276 inhabitants and a density of 21 per km², it covers an area of 62.0 km². The average declared income is 21.004 €.
Chianni in numbers: the analysis
Demographic projections to 2050 estimate about 1,071 inhabitants for Chianni: an expected decline of 16.1% from today.
The ageing index is one of the starkest signals: in Chianni there are 408 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 Chianni had 3,340 inhabitants; today (2026) it has 1,276 — 61.8% fewer.
Among the 37 municipalities of the province of Pisa, Chianni ranks 32 by population.
Compared with the provincial average of Pisa (about 11,340 residents per municipality), Chianni is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1343 |
| 2020 | 1333 |
| 2021 | 1318 |
| 2022 | 1315 |
| 2023 | 1311 |
| 2024 | 1321 |
| 2025 | 1294 |
| 2026 | 1276 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 646 | 50.6% |
| Women | 630 | 49.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 7 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 3340 |
| 1961 | 2473 |
| 1971 | 1952 |
| 1981 | 1738 |
| 1991 | 1614 |
| 2001 | 1563 |
| 2011 | 1457 |
| 2019 | 1343 |
| 2020 | 1333 |
| 2021 | 1318 |
| 2022 | 1315 |
| 2023 | 1311 |
| 2024 | 1321 |
| 2025 | 1294 |
| 2026 | 1276 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1080 | 41.7% |
| Married | 1154 | 44.6% |
| Divorced | 106 | 4.1% |
| Widowed | 248 | 9.6% |
School-Age Population (2026)
Total 0-18 years: 139
| Valore | |
|---|---|
| Nido (0-2) | 16 |
| Infanzia (3-5) | 22 |
| Primaria (6-10) | 37 |
| Medie (11-13) | 25 |
| Superiori (14-18) | 39 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Chianni population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/chianni-050012" title="Population pyramid of Chianni — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/chianni-050012" alt="Population pyramid of Chianni — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>