Thalassemia is one of Bangladesh's most significant, and most overlooked, public health challenges. Estimates of how many people carry the gene range from about 10 to 12 percent of the population, with a peer-reviewed review in the Orphanet Journal of Rare Diseases putting carrier prevalence at 10.9 to 13.3 percent, or roughly 17 to 22 million people. The hard truth is that this is a largely preventable condition, which makes the scale of it all the more urgent to address.
What thalassemia is
Thalassemia is an inherited blood disorder in which the body cannot produce enough normal haemoglobin, the protein that lets red blood cells carry oxygen. The severe form, thalassemia major, causes chronic anaemia and leaves patients dependent on regular blood transfusions and iron-removal treatment for life. It is not contagious. It is passed from parents to children.
The scale in Bangladesh
According to estimates cited by health experts and WHO data, about 6,000 to 8,000 children are born with thalassemia in Bangladesh every year, and the total number of patients is commonly estimated at around 60,000 to 70,000. Prevalence varies sharply by region. The National Thalassemia Survey 2024, conducted by the Bangladesh Bureau of Statistics, found the highest carrier rates in the country's north, with Rangpur far above the national average.
Why it is preventable
This is the part that matters most. Because thalassemia is inherited, it can be prevented before a child is ever born. When both parents are carriers, there is a one in four chance with each pregnancy that the child will have the disorder. Carrier screening, especially before marriage, lets couples know their status and make informed choices. Widespread awareness and screening are what have reduced thalassemia dramatically in other countries.
How giving can help
Support tends to fall into three areas, all of which save and improve lives:
- Treatment support for existing patients, who face the ongoing cost of transfusions and medication.
- Blood donation and awareness, since patients depend on a steady, safe blood supply.
- Screening and education programmes, which prevent new cases at the source.
For medical and health causes, giving through a verified channel matters even more, because donors want to be sure funds reach patients and programmes. (See how to raise money for medical treatment.) On Uddom, health campaigns are verified before they go live and tracked afterwards, so your support reaches the patients and programmes it is meant for.
Frequently asked questions
How common is thalassemia in Bangladesh? Estimates put the carrier rate at about 10 to 12 percent of the population, with a peer-reviewed review estimating 10.9 to 13.3 percent, or roughly 17 to 22 million carriers. Around 6,000 to 8,000 affected children are born each year.
Can thalassemia be prevented? Largely, yes. Because it is inherited, carrier screening, particularly before marriage, lets couples understand their risk. When both parents are carriers, each pregnancy carries a one in four chance the child will have the disorder. Awareness and screening are the main prevention tools.
By Md. Sowad Al-Mughni, Uddom. Last updated: April 2026.