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Sant Antoni

Sant Antoni is a local holiday in 11 municipalities — 159,286 residents in the 2025 register. In 2026 it falls on 17 January; below, where and when it's celebrated.

Level
Local holiday
Date 2026
Saturday 17 January
Municipalities
11
Residents · 2025 register
159,286
Where most
Illes Balears (10)
CEML
Mapa base: @svg-maps/spain · CC BY 4.0
fewermore municipalities

Verified data

Sant Antoni in the working calendar

In 2026, the dataset records Sant Antoni as a local holiday in 11 municipalities, accounting for 159,286 residents in the 2025 register. The most common date is 17 January 2026. 1 municipalities set it on another date.

This comparison uses only the official working calendars incorporated into the dataset for each year.

Demographic profile

Demographics of the covered population

Age, citizenship, birthplace and average-age structure from the 2025 Annual Population Census.

Women / men

50.1% / 49.9%

Aged 0–14

14.2%

Aged 15–64

67.9%

Aged 65+

17.9%

Foreign citizenship

21%

Born outside Spain

26.6%

Weighted mean age

42.7 years

How it differs from its surroundings

Comparison with Spain and with the aggregate of the 2 regions where it is observed. All five comparisons are population-weighted and use only the 2025 Annual Census. A positive sign means the covered population has a higher value than the benchmark.

Demographic profileCovered populationCompared with SpainCompared with its 2 regions
Aged 0–1414.2%+1.3 pp+1 pp
Aged 65+17.9%-2.8 pp-1.4 pp
Foreign citizenship21%+6.9 pp+1.9 pp
Born outside Spain26.6%+7.3 pp+1 pp
Weighted mean age42.7 years-1.8 years-0.8 years

The largest difference from Spain is in “Born outside Spain”: +7.3 pp.

Sex comes from the 2025 municipal register; all other metrics come from the 2025 Annual Census. Each percentage uses the total from its own statistical operation. INE municipal tables 68535 and 68541.

When

Dates of Sant Antoni

In 2026 it falls on Saturday 17 January in most municipalities. 1 move it to another date (when it lands on a weekend or by local agreement).

YearMain dateMunicipalities
2024Wednesday, 17 January20
2025Friday, 17 January20
2026Saturday, 17 January11

Traceability

Official sources

Official documents linked by the 2026 records. Dates can vary by territory; each municipality page preserves its specific source.

Population: official municipal-register figures at 1 January 2025. INE.

INE municipal tables 68535 and 68541.

Where it's a holiday

11 municipalities celebrate Sant Antoni

Its local holiday in 2026, by region. Each municipality links to its annual record and the available official source.

Together, they account for 159,286 residents in the INE municipal register at 1 January 2025.

FAQ

About Sant Antoni

When is Sant Antoni in 2026?

In 2026, Sant Antoni is mainly celebrated on 17 January 2026 (Saturday). Some municipalities move it to another date on the working calendar.

In how many municipalities is Sant Antoni a holiday?

It's a local holiday in 11 municipalities in 2026, accounting for 159,286 residents in the 2025 register; mostly in Illes Balears (10 municipalities).

Is Sant Antoni a national holiday?

No. Sant Antoni is a local-level holiday: it's only a non-working day in the municipalities that set it as their local festival; each keeps its official source.

Other holidays

Per-municipality data with its official source (regional gazette). Every date is verifiable on the municipality page. Data from festivos.io — CC BY 4.0.