Prevalence, incidence, mortality, and years of life lost to diabetes from 1996 to 2024 in Denmark
Authors' conclusion
In Denmark, diabetes prevalence and incidence increased markedly since 1996, largely driven by T2D. Although mortality declined, particularly for T1D, excess mortality remains
Study context
- Population
- Individuals with diabetes identified through Danish national healthcare registers, 1996–20246.1% of population
- Participants
- 366,174 individuals
- Exposure
- T1D vs T2D
- Outcome
- Trends in prevalence, incidence, mortality and years of life lost to diabetes
- Follow-up
- 1996 to 2024
Methodological detailsage-period-cohort models, multistate model
- Age-period-cohort models
- Multistate model
Main finding
As reported in the abstract
Diabetes prevalence and incidence
- Individuals with diabetes as of January 1, 2025 (6.1% of population)
- 366 174
- Share with T1D
- 8.2%
- Share with T2D
- 91.8%
- Diabetes prevalence more than tripled since 1996; overall annual increase in T2D
- ≈4.1%
- Incident diabetes cases 1996–2024
- 567 510
- Incident cases that were T1D
- 4.6%
- Average annual decline in T1D incidence (rising at younger, falling at older ages)
- 1.1%
Observational data: associations, not effects.
Further findings
- Mortality declined for T1D after 2008 and for T2D until 2012, then stabilized
- Standardized mortality ratios (SMRs) decreased for T1D after 2008 but increased for T2D, converging by 2025
Original publication
Prevalence, incidence, mortality, and years of life lost to diabetes from 1996 to 2024 in Denmark. BMJ Open Diabetes Res Care. Published 10 July 2026. doi:10.
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