Sri Lankan Twin Registry

The Sri Lankan Twin registry established in 1996 is the first ever twin register in South Asia. It is still one the of few large scale functional population based twin registries in developing world (reference).

Two main twin cohorts are volunteer and population based. The population based twin register is presently confined to Colombo district; the most populous among the 25 administrative districts of Sri Lanka. It has 9570 twin pairs and 46 triplets (19278 individuals). The volunteer cohort has 7000 twin pairs and 86 triplets (14258 individuals)

Sri Lankan Twin Registry was funded by three grants from the Wellcome Trust Wellcome Trust is a global charitable foundation dedicated to achieving extraordinary improvements in human and animal health. Wellcome Trust, support the brightest minds in biomedical research and the medical humanities. The Trust support includes public engagement, education and the application of research to improve health. The Wellcome Trust is independent of both political and commercial interests.

The value of twin research

Read about the value of twin studies in health research click here

Contact Details

If you have any questions, please feel free to contact us.

Sri Lankan Twin Registry
No.393/3, Lily Avenue, Off Robert Gunawardane Mawatha,
Battaramulla 10120,
Sri Lanka


+ 94 11 2863084 │ + 94 11 5662895

+ 94 11 2863084


twinslanka@gmail.com