The rate at which people are developing diabetes has experts anxious that we will not be able to keep up with the demand for insulin.
The likely rise in the number of adults from 40.6 crore in 2018 to 50.11 crore in 2030, with highest number of adults with type 2 diabetes from China with 13 crore, India with 9.8 crore and the USA with 3.2 crore.
The study found 79 million people worldwide will require insulin to treat the disease, but only 38 million will have access.
"The number of adults with type 2 diabetes is expected to rise over the next 12 years due to aging, urbanization and associated changes in diet and physical activity", said Basu.
"These estimates suggest that current levels of insulin access are highly inadequate compared to projected need, particularly in Africa and Asia, and more efforts should be devoted to overcoming this looming health challenge", Basu said in a statement.
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Global insulin supply is dominated by three companies - Novo Nordisk, Sanofi and Eli Lilly - which have various programs to try to improve access to their products. It means 98 million Indians will suffer from type-2 diabetes.
Insulin use is expected to rise 20 percent by 2030, and many people who need it for type 2 diabetes won't have access, a study from Stanford University suggests.
The limited production of insulin affects Africa and Asia, in spite of UN's high commitment to treat this non-communicable disease. Their study was published Tuesday in The Lancet Diabetes & Endocrinology journal.
"These estimates suggest that current levels of insulin access are highly inadequate compared to projected need, particularly in Africa and Asia, and more efforts should be devoted to overcoming this looming health challenge", said Dr. Sanjay Basu, assistant professor of medicine at Stanford University in the United States, who led the research. They estimated the potential number of insulin users, amount of insulin required, and the burden of diabetes complications under varying levels of insulin access and treatment targets (from 6.5% to 8% HbA1c, a measure of blood glucose), in adults aged 18 or older.
Sanjay Basu also added that governments should begin effective initiatives to make insulin affordable for patients all across the world. The cost is one of the main reason as the price of insulin had already tripled between 2002 and 2013.