---
title: "Immaculate Conception 2026 — National holiday — festivos.io"
description: "Immaculate Conception: national holiday in 2026, covering 49,114,494 residents in the 2025 register. When and where it applies."
source: "https://festivos.io/en/holiday/inmaculada-concepcion"
---

# Immaculate Conception

Immaculate Conception: national holiday for 49,114,494 residents in the 2025 register.

## Immaculate Conception in the working calendar

In 2026, Immaculate Conception is recorded as a national holiday on 8 December 2026. The calendars included in the dataset apply it in 19 regions and autonomous cities, covering 49,114,494 residents in the 2025 register.

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

| Year | Main date | Where recorded | Residents |
| --- | --- | --- | --- |
| 2025 | 8 December 2025 | 19 regions and autonomous cities | 49,114,494 |
| 2026 | 8 December 2026 | 19 regions and autonomous cities | 49,114,494 |

## Demographics of the covered population

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

| Demographic profile | % |
| --- | --- |
| Women / men | 51% / 49% |
| Aged 0–14 | 12.9% |
| Aged 15–64 | 66.4% |
| Aged 65+ | 20.7% |
| Foreign citizenship | 14.1% |
| Born outside Spain | 19.3% |
| Weighted mean age | 44.6 years |


### How it differs from its surroundings

Comparison with Spain. 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 profile | Covered population | Compared with Spain |
| --- | --- | --- |
| Aged 0–14 | 12.9% | 0 pp |
| Aged 65+ | 20.7% | 0 pp |
| Foreign citizenship | 14.1% | 0 pp |
| Born outside Spain | 19.3% | 0 pp |
| Weighted mean age | 44.6 years | 0 years |

The covered population matches Spain overall on these indicators.

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](<https://www.ine.es/dynt3/inebase/index.htm?capsel=11532&padre=11555>).

## 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](<https://www.ine.es/dyngs/INEbase/operacion.htm?c=Estadistica_C&cid=1254736177011&idp=1254734710990>).

[INE municipal tables 68535 and 68541](<https://www.ine.es/dynt3/inebase/index.htm?capsel=11532&padre=11555>).

- [BOE-A-2025-21667](<https://www.boe.es/diario_boe/txt.php?id=BOE-A-2025-21667>)

## Other holidays

- Saint Isidore the Laborer (488 municipalities)
- San Roque (278 municipalities)
- Segona Pasqua (189 municipalities)
- Martes de Entroido (186 municipalities)
- San Isidro Labrador (163 municipalities)
- San Blas (151 municipalities)
- San Vicente Ferrer (142 municipalities)
- San Pedro (136 municipalities)

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.

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Data: festivos.io — CC BY 4.0. Official source: State Official Gazette (BOE) and regional gazettes (Law 37/2007).