Prevalence of type 2 diabetes
The frequency (prevalence) of illnesses and the resulting absolute number of cases are key figures for assessing the current trajectory of a disease. Prevalence determines patient care and provides an important basis for health policy planning.
Key messages
- In 2022, around 970 children and adolescents aged between 11 and 17 had type 2 diabetes in Germany.
- The prevalence increased during the 2014 to 2022 observation period.
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trend
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By state
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By gender
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By age
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By education group
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Results
In 2022, the estimated prevalence (per 100,000 persons) of type 2 diabetes in children and adolescents aged 11 to 17 years in Germany was 18.0 (girls 21.5; boys 16.4). This corresponds to an absolute number of 973 cases. The prevalence is highest among 14- to 17-year-olds, and girls are generally more affected than boys. During the 2014 to 2022 observation period, an average annual increase by 7.2 % (boys: 9.9 %; girls: 6.6 %) was observed, with this increase being primarily caused by the higher prevalence in the two pandemic years 2021 and 2022.
Conclusion
In 2022, around 970 children and adolescents were affected by type 2 diabetes, with a higher prevalence among girls than boys. Nationwide analyses for the period 2014 to 2022 using registry office data show an overall annual increase of the prevalence.
Show more information on methodology and data sources
Definition
The indicator prevalence of type 2 diabetes is defined as the number of children and adolescents with a registered or documented case of type 2 diabetes per 100,000 children and adolescents in the population.
Reference population
Children and adolescents aged between 11 and 17 years who are resident in Germany.
Data Sources
Nationwide and regional diabetes registers (DPV register, ESPED incidence register, North-Rhine Westphalia register, Saxony diabetes register). The data are based on the March 2023 data set from the DPV database.
Calculation
- Description: The frequency of cases per 100,000 children and adolescents aged between 11 and 17 in Germany during the 2014 to 2022 observation period.
- Extrapolation/weighting: The extrapolated population data gathered by the Federal Statistical Office during the 2011 census were used for the nationwide estimates. Results with 95% confidence intervals were estimated using the person-years method. A Poisson distribution of cases was assumed (Woodward 2013; Sahai and Kurshid 1993).
- Standardisation: Estimates were standardised by age and gender and were equally weighted for gender and weighted according to the age range of the age groups.
- Absolute numbers: The sum of the absolute numbers of both genders does not necessarily correspond exactly to the absolute number for the corresponding total group, as the estimates are derived from separate log-linear models.
Data quality
The diabetes registries provide outpatient or inpatient diagnostic data and information on the type of therapy provided to people with statutory and private health insurance. This includes information about people with different types of diabetes and age groups. These data are provided by practices and clinics participating on a voluntary basis. The data quality depends on the practice providing the data. All documentation is subject to a thorough plausibility check. Statistical methods are used for extrapolation and to ensure full coverage of the reference population.