Système National des Données de Santé (French national health system main database)

First published 01/02/2024

Last updated 30/01/2026

Data source

Human

Administrative healthcare records (e.g., claims)

Death registry

Population Qualitative Data

Population age groups: Paediatric Population (< 18 years)
Neonate
Preterm newborn infants (0 – 27 days)

Term newborn infants (0 – 27 days)

Infants and toddlers (28 days – 23 months)

Children (2 to < 12 years)

Adolescents (12 to < 18 years)

Adult and elderly population (≥18 years)
Adults (18 to < 65 years)
Adults (18 to < 46 years)

Adults (46 to < 65 years)

Elderly (≥ 65 years)
Adults (65 to < 75 years)

Adults (75 to < 85 years)

Adults (85 years and over)

Estimated percentage of the population covered by the data source in the catchment area: 99%

Description of the population covered by the data source in the catchment area whose data are not collected (e.g., people who are registered only for private care): The SNDS covers almost the entire French population (99%), as the number of uninsured persons is marginal.

Family linkage

Family linkage available in the data source permanently or can be created on an ad hoc basis: Permanently

Population

Age group	Population size	Active population size
Infants and toddlers (28 days – 23 months)	1400000	1400000
Children (2 to < 12 years)	7800000	7800000
Adolescents (12 to < 18 years)	5100000	5100000
Adults (18 to < 46 years)	21800000	21800000
Adults (46 to < 65 years)	16500000	16500000
Adults (65 to < 75 years)	7600000	7600000
Adults (75 to < 85 years)	4500000	4500000
Adults (85 years and over)	2300000	2300000

Median observation time

Median time (years) between first and last available records for unique individuals: 9.00

Median time (years) between first and last available records for unique active individuals (alive and currently registered): 9.00

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