A median age of 62: Authiou is older than 99% of compared French towns
7.9% of homes are flats, against 30% in the typical compared French town. By contrast, at 25%, the share of households headed by a manager or professional is higher than in 94% of compared French towns. The 2023 Census counted 41 residents in 22 households.
Throughout this page, the Nièvre median and the France median are the median of compared communes (those with an overall grade), each figure its own median. Source: INSEE, census 2023.
What stands out about the people of Authiou
One home in two is a second home
The census counted 25 second homes and occasional dwellings in Authiou, 49% of its 51 homes: higher than in 97% of compared French towns. 92% of them are houses. Their owners live elsewhere, so they aren’t in the population figures on this page. Homes & cars ↓
An older town
Half of Authiou’s residents are under 62 and half over; the median of compared French towns is 44. 50% are 65 or older (France median 22%), 7.5% 80 or older. Ages ↓
Many people living alone
50% of Authiou’s households are one person: higher than in 94% of compared French towns; 30% of residents 65 and over live alone. Households ↓
Immigrants
INSEE counts 0 immigrants in Authiou (people born abroad who weren’t French at birth, whatever their nationality now): 15% of residents, against 5.9% for the median compared commune in Nièvre. 15% are foreign nationals. Immigrants and foreign nationals ↓
Written from INSEE’s census 2023 on this page, against compared French towns.
A larger share of second homes than 97% of compared French towns: 49%
Every home the census counted: main residences, second homes and occasional dwellings (INSEE counts them together), and empty homes. Owning and renting are on Cost of living.
All homes · share of homes
Type of home
Cars per household · share of households
Households in social housing are rarer here than in 99% of compared French towns. For Authiou, the census puts empty homes at 7.9%. As a reference point, 2.1% of homes are second homes in the typical compared French town.
A growing town: +8% since 2012, faster than 63% of compared French towns
Residents at INSEE’s last three censuses, each recast in the 2026 commune boundaries. France has no yearly estimate by commune between censuses.
2012 to 2023
2017 to 2023
In two steps, +16% to 2017 and −7% after, the town’s change compares with +5% for the median compared French town and −8% in Nièvre.
50% of residents are 65 or over, a share 99% of compared French towns don’t reach
Shares of residents by age at the 2023 census.
Age groups · share of residents
Median age of the 3,798 compared French towns
■ Authiou 62. The median compared French town: 44.
Set against 11% in the typical compared French town, 7.5% of residents are 15 to 24 in Authiou. Against that, 22% of residents are 65 or over in the typical compared French town.
Women and men · all residents
58% women, 42% men
About 74 men for every 100 women. Median share of women: Nièvre 53.7%, France 51.8%. Women live longer than men, so towns with many older residents have more women.
A higher share of single-parent households than 99% of compared French towns, at 25%
A household is everyone who shares a main home (résidence principale). Household types come from INSEE’s fuller sample of a quarter of census forms.
Against the Nièvre median and the France median
Living alone · share
The share of one-person households tops 94% of compared French towns: 50%. For single-parent households, the comparison in the typical compared French town is 10%. On average, 1.9 people share a household.
50% of households are headed by a retired person, more than in 97% of compared French towns
Households by the socio-professional group (PCS) of their reference person, INSEE’s own categories. Jobs and commuting are on the Work & commute page.
Households by reference person’s group · share of households
Households headed by a manual worker are rarer here than in 99% of compared French towns. By way of comparison, nearly a third of households are headed by a retired person in the typical compared French town.
Each household is counted once, by the occupation of its reference person (usually the oldest working adult).
More foreign nationals than 92% of compared French towns: 15%
INSEE publishes two measures, which overlap but aren’t the same. Neither is the UK’s “born abroad”.
Share of residents · census 2023
Immigrant (immigré)
Born abroad, not French at birth. Someone stays an immigrant after becoming French. A French citizen born abroad (for example in Algeria before 1962) is not one.
Foreign national (étranger)
Not a French citizen today, wherever born. A child born in France to foreign parents can be a foreign national without being an immigrant.
The share of immigrants tops 85% of compared French towns: 15%. For foreign nationals, the comparison in the typical compared French town is 4.3%.
INSEE publishes no country of birth or ethnicity by commune in these tables, and the census doesn’t ask about religion.
Authiou: 69% of residents 15 and over are married, above 99% of compared French towns
Residents 15 and over by how they live: the census asks both the legal status and whether people live as a couple.
Residents 15 and over · share
Single residents: 20%, below 91% of compared French towns. By way of comparison, 43% of residents 15 and over are married in the typical compared French town.
Authiou sits below 69% of compared French towns for graduates of higher education (25%)
Highest diploma of residents 15 and over who have left education, in French terms: the levels don’t map one-to-one to UK or U.S. ones.
Highest diploma · 15 and over, out of education
Set against 19% in the typical compared French town, 16% of adults out of school have no qualification in Authiou. To put it in context, 30% of adults out of school hold a higher-education qualification in the typical compared French town.
Ranked by age, 2nd oldest of 41 French towns this size
The 40 compared French towns nearest in population, by median age. Hover for each one’s second homes and immigrants; click for its page.
The youngest is Villejust (37.2), the oldest Prayssac (62.3).
Authiou is older than every town around it
The nearest towns of 2,500 or more, colored by median age. Source: INSEE, census 2023.
Health, work, housing and schools
What this data can and can’t tell you
- Census 2023. INSEE’s census is a rolling survey: a fifth of small communes each year, 8% of homes in large ones each year. “2023” pools the surveys of 2021 to 2025, so the figures describe the town around 2023, not on one day.
- Medians of compared communes. The comparisons are the median of the département’s compared communes and of France’s (those with an overall grade), each figure its own median: not the total for the département or for France, which large cities pull towards their own figures.
- Immigrants and foreign nationals. INSEE’s two measures: an immigrant was born abroad without French nationality; a foreign national isn’t French today. Neither is a count of people born abroad, which INSEE doesn’t publish by commune.
- Second homes. Homes used for holidays or weekends, with occasional dwellings (kept for work, for example), which INSEE counts together. Their owners are counted where they live, not here.
- Standard of living. INSEE’s Filosofi: disposable income per consumption unit, from tax and benefit files, 2023. The poverty rate is the share of residents below 60% of France’s median. Not published for the smallest communes.
- What France doesn’t ask. The French census asks nothing about ethnicity, religion, language or health, so this page has no such section.
Questions about who lives in Authiou
What is the population of Authiou?
41 at INSEE’s 2023 census, 8% more than in 2012 (38).
How old are Authiou’s residents?
The median age is 62, older than 99% of compared French towns. 18% are under 18 and 50% 65 or older.
How many second homes are there in Authiou?
25, with occasional dwellings: 49% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Authiou?
INSEE counts 6 immigrants (born abroad, not French at birth), 15% of residents, and 6 foreign nationals (15%). The medians of compared French towns are 6.5% and 4.3%.
Sources: INSEE, census 2023 (population, ages, households, homes, marital status, diplomas, immigrants, foreign nationals, employment), 2026 geography · INSEE, Filosofi 2023 (standard of living, poverty) · IGN Admin Express (boundaries) · Medians and percentiles: TownRatings, over compared French towns, updated November 9, 2026. Under the Licence Ouverte / Open Licence 2.0 (Etalab).
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.