T1D Numbers

Type 1 diabetes in Belgium

T1D Index estimates for 2025 · IDF Europe region · High-Income country

An estimated 40,140 people are living with type 1 diabetes in Belgium in 2025. Each year about 1,147 people are newly diagnosed and 297 people with T1D die. A further 9,081 people would be alive today had they not died early from type 1 diabetes.

People living with T1D

40,140

New diagnoses this year

1,147

Deaths this year

297

Missing people

9,081

Expected age at death, diagnosed at 10

71.7years

How many people have type 1 diabetes in Belgium?

40,140 people in Belgium are living with type 1 diabetes in 2025, or 341.5 per 100,000 people. That is higher than the Europe average of 298.6 per 100,000 and higher than the global average of 115.5. Belgium has the 35th-largest number of people living with T1D of the 202 countries in the T1D Index, and the 13th-largest of the 53 countries in the IDF Europe region.

For every 100 people living with T1D in Belgium, another 23 are missing: people who would be alive today had they not died early from T1D.

Is type 1 diabetes increasing in Belgium?

The number of people living with T1D in Belgium went from 19,920 in 2000 to 40,140 in 2025, and is projected to rise to 50,445 by 2040 (+26%).

020K40K60K200020202040Projected →40.1K50.4K2000: 19,920 people living with T1D2001: 20,638 people living with T1D2002: 21,414 people living with T1D2003: 22,187 people living with T1D2004: 22,897 people living with T1D2005: 23,535 people living with T1D2006: 24,219 people living with T1D2007: 24,962 people living with T1D2008: 25,799 people living with T1D2009: 26,734 people living with T1D2010: 27,738 people living with T1D2011: 28,658 people living with T1D2012: 29,469 people living with T1D2013: 30,246 people living with T1D2014: 30,986 people living with T1D2015: 31,771 people living with T1D2016: 32,575 people living with T1D2017: 33,330 people living with T1D2018: 34,154 people living with T1D2019: 34,999 people living with T1D2020: 35,834 people living with T1D2021: 36,643 people living with T1D2022: 37,540 people living with T1D2023: 38,499 people living with T1D2024: 39,326 people living with T1D2025: 40,140 people living with T1D2026 (projected): 40,928 people living with T1D2027 (projected): 41,680 people living with T1D2028 (projected): 42,439 people living with T1D2029 (projected): 43,196 people living with T1D2030 (projected): 43,969 people living with T1D2031 (projected): 44,722 people living with T1D2032 (projected): 45,402 people living with T1D2033 (projected): 46,097 people living with T1D2034 (projected): 46,785 people living with T1D2035 (projected): 47,473 people living with T1D2036 (projected): 48,111 people living with T1D2037 (projected): 48,709 people living with T1D2038 (projected): 49,290 people living with T1D2039 (projected): 49,859 people living with T1D2040 (projected): 50,445 people living with T1D
People living with type 1 diabetes in Belgium, 2000–2040. Solid line: modelled estimates to 2025; dashed line: projection to 2040.
Type 1 diabetes in Belgium over time, all ages
YearLiving with T1DNew diagnosesDeathsMissing people
200019,9209972587,214
201027,7381,1573447,853
202035,8341,1694038,899
202540,1401,1472979,081
2030 (projected)43,9691,2093309,144
2040 (projected)50,4451,1683909,526

What is the life expectancy with type 1 diabetes in Belgium?

A 10-year-old diagnosed with type 1 diabetes in Belgium today is expected to live to 71.7, compared with 82.7 for a 10-year-old without T1D: 11.1 years of life lost. Counting years lived with complications as well, T1D costs 22.1 years of healthy life at today's level of care. If everyone received timely diagnosis, insulin and test strips, and insulin pumps and CGMs, that loss would fall to 14.2 years.

Healthy years of life for a 10-year-old diagnosed with T1D in Belgium, as each level of care is added in turn
Level of careHealthy years restoredHealthy years of lifeHealthy years still lost
Current level of care–60.622.1
+ Timely diagnosis for everyone–60.622.1
+ Insulin and test strips for everyone+1.261.820.9
+ Insulin pumps and CGMs for everyone+6.868.614.2

How does Belgium compare?

Type 1 diabetes in Belgium compared with the Europe region and the world, 2025
2025BelgiumEuropeWorld
People living with T1D per 100,000341.5298.6115.5
New diagnoses per 100,0009.812.16.2
Missing people per 100 living with T1D22.630.543.0
Expected age at death, 10-year-old with T1D71.762.151.3
Expected age at death, 10-year-old in general population82.779.477.0

Type 1 diabetes in other Europe countries

More data

All figures are T1D Index version 3.0 estimates for all ages. Missing people are those who would be alive today had they not died early from type 1 diabetes. Expected age at death is for a 10-year-old. See Data & Methods for how the estimates are made and the peer-reviewed publications behind them.