T1D Numbers

Type 1 diabetes in the Republic of Congo

T1D Index estimates for 2025 · IDF Africa region · Lower-Middle-Income country

An estimated 2,128 people are living with type 1 diabetes in the Republic of Congo in 2025. Each year about 252 people are newly diagnosed and 117 people with T1D die. A further 1,865 people would be alive today had they not died early from type 1 diabetes.

People living with T1D

2,128

New diagnoses this year

252

Deaths this year

117

Missing people

1,865

Expected age at death, diagnosed at 10

31.3years

How many people have type 1 diabetes in the Republic of Congo?

2,128 people in the Republic of Congo are living with type 1 diabetes in 2025, or 32.8 per 100,000 people. That is higher than the Africa average of 29.7 per 100,000 and lower than the global average of 115.5. The Republic of Congo has the 136th-largest number of people living with T1D of the 202 countries in the T1D Index, and the 24th-largest of the 49 countries in the IDF Africa region.

For every 100 people living with T1D in the Republic of Congo, another 88 are missing: people who would be alive today had they not died early from T1D.

Is type 1 diabetes increasing in the Republic of Congo?

The number of people living with T1D in the Republic of Congo went from 179 in 2000 to 2,128 in 2025, and is projected to rise to 5,232 by 2040 (+146%).

02K4K6K200020202040Projected →2.1K5.2K2000: 179 people living with T1D2001: 197 people living with T1D2002: 214 people living with T1D2003: 233 people living with T1D2004: 256 people living with T1D2005: 283 people living with T1D2006: 313 people living with T1D2007: 344 people living with T1D2008: 373 people living with T1D2009: 410 people living with T1D2010: 454 people living with T1D2011: 498 people living with T1D2012: 548 people living with T1D2013: 612 people living with T1D2014: 698 people living with T1D2015: 795 people living with T1D2016: 908 people living with T1D2017: 1,034 people living with T1D2018: 1,155 people living with T1D2019: 1,273 people living with T1D2020: 1,397 people living with T1D2021: 1,526 people living with T1D2022: 1,664 people living with T1D2023: 1,814 people living with T1D2024: 1,970 people living with T1D2025: 2,128 people living with T1D2026 (projected): 2,299 people living with T1D2027 (projected): 2,480 people living with T1D2028 (projected): 2,675 people living with T1D2029 (projected): 2,878 people living with T1D2030 (projected): 3,090 people living with T1D2031 (projected): 3,308 people living with T1D2032 (projected): 3,532 people living with T1D2033 (projected): 3,748 people living with T1D2034 (projected): 3,967 people living with T1D2035 (projected): 4,179 people living with T1D2036 (projected): 4,392 people living with T1D2037 (projected): 4,601 people living with T1D2038 (projected): 4,812 people living with T1D2039 (projected): 5,025 people living with T1D2040 (projected): 5,232 people living with T1D
People living with type 1 diabetes in the Republic of Congo, 2000–2040. Solid line: modelled estimates to 2025; dashed line: projection to 2040.
Type 1 diabetes in the Republic of Congo over time, all ages
YearLiving with T1DNew diagnosesDeathsMissing people
20001793129419
20104546945796
20201,397195931,393
20252,1282521171,865
2030 (projected)3,0903621672,500
2040 (projected)5,2324372504,363

What is the life expectancy with type 1 diabetes in the Republic of Congo?

A 10-year-old diagnosed with type 1 diabetes in the Republic of Congo today is expected to live to 31.3, compared with 69.0 for a 10-year-old without T1D: 37.7 years of life lost. Counting years lived with complications as well, T1D costs 41.3 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 15.4 years.

Healthy years of life for a 10-year-old diagnosed with T1D in the Republic of Congo, as each level of care is added in turn
Level of careHealthy years restoredHealthy years of lifeHealthy years still lost
Current level of care–27.741.3
+ Timely diagnosis for everyone+4.031.737.3
+ Insulin and test strips for everyone+15.046.722.3
+ Insulin pumps and CGMs for everyone+7.053.715.4

How does the Republic of Congo compare?

Type 1 diabetes in the Republic of Congo compared with the Africa region and the world, 2025
2025Republic of CongoAfricaWorld
People living with T1D per 100,00032.829.7115.5
New diagnoses per 100,0003.94.06.2
Missing people per 100 living with T1D87.6160.443.0
Expected age at death, 10-year-old with T1D31.324.451.3
Expected age at death, 10-year-old in general population69.067.577.0

Type 1 diabetes in other Africa 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.