8 Key Statistics on Type 2 Diabetes

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Written by: Chris Riley

Medically Reviewed by: Erik Rivera

Number 1: 2019 saw an increase of Type 2 Diabetes in all racial and ethnic groups.

Summary:  Type 2 Diabetes is on the rise in minority race groups, most significantly in black teens.

Source: Centers for Disease Control and Prevention. (2021, December 16). The Facts, Stats, and Impacts of Diabetes. Centers for Disease Control and Prevention. Retrieved July 21, 2022.

Number 2:  Approximately 9 in 10 individuals with prediabetes or Type 2 diabetes can be avoided with lifestyle changes. 

Summary: Being overweight makes one 20%-40% times more likely to develop diabetes than someone that is a healthy weight. 

Source: Simple Steps to Preventing Diabetes. The Nutrition Source. (2021, March 2). Retrieved July 21, 2022.

Number 3:  Worldwide prediction of adults, 20-79 years of age, living with Type 2 diabetes is expected to increase to 439 million, which represents 7.7% of the world population.

Summary: 80% of Type 2 diabetes cases worldwide are present in developing countries rather than already developed countries, with Asia being a focal point for new cases because of rapid urbanization and economic development.  Furthermore, there is a noticeable increase of prediabetes factors present in young adults.  Examining epigenetic and genetic influences from birth is necessary to effectively prevent type 2 diabetes

Source: Chen, L., Magliano, D. J., & Zimmet, P. Z. (2012). The worldwide epidemiology of type 2 diabetes mellitus—present and future perspectives. Nature reviews endocrinology, 8(4), 228-236.

world map with expected populate with diabetes
Estimated number of adults (20-79 years of age) with diabetes worldwide and per world area

Number 4:   Type 2 Diabetes Mellitus patients that used Intensive insulin therapy (IIT) increased from 20% from 2002 to 31% in 2006.  Out of the 4.5 million Type 2 Diabetes patients on insulin, 60% were not at their hemoglobin A1c (HbA1c) target goal.  89% of patients living with Type 2 Diabetes Mellitus do not inject themselves with insulin outside of the home. 

Summary:  The findings in the study indicate that Type 2 Diabetic patients on insulin are not in control of effective therapies.  It shows a need for better education and possibly medical device innovations in order to move from standard insulin therapy to Intensive insulin therapy.

Source: Journal of Diabetes Science and Technology; Norton, E. (2009). The business of intensive insulin therapy for type 2 diabetes patients: where it all began for me. Journal of diabetes science and technology, 3(6), 1521-1523.

Number 5:  A self management study/program of 81 underrepresented patients resulted in a significant improvement in HbA1c levels by -0.77% and a total savings cost of $551 per patient per year for the hospital involved with the study.

Summary:  Researchers at a hospital studied 81 patients from underserved/underrepresented populations that don’t typically have access to regular healthcare.  This case study aimed to improve health literacy for Type 2 Diabetes in populations that have significant obstacles in receiving health treatment.  It shows that self-management, along with education on Type 2 Diabetes, can be beneficial for certain populations.

Source:  Population Health Management; Micklethwaite, A., Brownson, C. A., O’Toole, M. L., & Kilpatrick, K. E. (2012). The business case for a diabetes self-management intervention in a community general hospital. Population health management, 15(4), 230-235.

Number 6: 1/5th of the global burden of Type 2 diabetes was attributable to particulate matter (PM) (or air pollution). High burdens of this have increased 50% since 1990. 

Summary:  In this cohorted case study, they found that air pollution is a significant risk factor for Type 2 diabetes. Mitigating the air pollution could be an effective method for decreasing the prevalence of Type 2 diabetes globally.

Source:  Science Direct; Burkart, K., Causey, K., Cohen, A. J., Wozniak, S. S., Salvi, D. D., Abbafati, C., … & Nangia, V. (2022). Estimates, trends, and drivers of the global burden of type 2 diabetes attributable to PM2· 5 air pollution, 1990–2019: an analysis of data from the Global Burden of Disease Study 2019. The Lancet Planetary Health, 6(7), e586-e600.

air pollution causing diabetes
Estimates, trends, and drivers of the global burden of type 2 diabetes attributable to PM2·5 air pollution

Number 7:  Individuals with Type 2 diabetes are at a greater risk of contracting COVID-19 by as much as 4 times. 

Summary:  A study has shown patients that have Type 2 diabetes are more likely to contract COVID-19 possibly resulting in hospitalizations.  Thus indicating a need to risk-manage COVID-19

Source:  American Diabetes Association; Gregory, J. M., Slaughter, J. C., Duffus, S. H., Smith, T. J., LeStourgeon, L. M., Jaser, S. S., … & Moore, D. J. (2021). COVID-19 severity is tripled in the diabetes community: a prospective analysis of the pandemic’s impact in type 1 and type 2 diabetes. Diabetes Care, 44(2), 526-532.

Number 8: Individuals with Type 2 diabetes and comorbid depression have a 47.9% increase in cardiovascular mortality, 32.9% increase in strokes, and 36.8% coronary heart disease.

Summary: This study presented a metaanalysis of cardiovascular mortality rates among people diagnosed with depression and Type 2 diabetes comorbidities.  Thus, showing a need for evidence based therapies for cardiovascular management and/or prevention in individuals with depression. 

Source:  Science Direct; Farooqi, A., Khunti, K., Abner, S., Gillies, C., Morriss, R., & Seidu, S. (2019). Comorbid depression and risk of cardiac events and cardiac mortality in people with diabetes: a systematic review and meta-analysis. Diabetes research and clinical practice, 156, 107816.

Fact Checked and Editorial Process

Diabetic.org is devoted to producing expert and accurate articles and information for our readers by hiring experts, journalists, medical professionals, and our growing Diabetic.org community. We encourage you to read more about our content, editing, and fact checking methods here. This was fact checked by Erik Rivera and medically reviewed by Dr. Angel Rivera. 

fact checked and medically reviewed

References and Sources:

The Facts, Stats, and Impacts of Diabetes. Centers for Disease Control and Prevention

Simple Steps to Preventing Diabetes. The Nutrition Source.

The worldwide epidemiology of type 2 diabetes mellitus–present and future perspectives

The Business of Intensive Insulin Therapy for Type 2 Diabetes Patients: Where It all Began for Me

The business case for a diabetes self-management intervention in a community general hospital

Estimates, trends, and drivers of the global burden of type 2 diabetes attributable to PM2·5 air pollution, 1990–2019: an analysis of data from the Global Burden of Disease Study 2019

COVID-19 Severity Is Tripled in the Diabetes Community: A Prospective Analysis of the Pandemic’s Impact in Type 1 and Type 2 Diabetes

Comorbid depression and risk of cardiac events and cardiac mortality in people with diabetes: A systematic review and meta-analysis

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