As more and more women are remaining single - and childless - Mahidol University's Institute for Population and Social Research has decided to look deep into why, as well as into where all the men have gone.
The institute's discoveries have proved crucial for the country to prepare for emerging population trends.
Thailand is turning into a greying society, as its birth rate plunged to just 1.6 per woman in 2013 from six in 1970.
Men have indeed gone missing because of their higher mortality rate.
This has led to a gender imbalance in the marriage market. To be exact, there were 782,716 more females than males between the ages of 15 and 49 in 2010.
More here: Study examines growing trend of Thai women staying single - The Nation