During 2009 and 2015, the average income of those with vocational certificates jumped by 57.85 per cent from Bt6,411 to Bt10,120.
Those with high vocational certificates witnessed a 53.32 per cent increase, from Bt7,425 to Bt11,384. Holders of bachelor's degrees saw the 41.59 per cent increase from Bt10,941 to Bt15,491. The average pay of master's degree holders rose by 24.16 per cent from Bt16,952 to Bt21,047.
The university did not reveal the reasons.
Thailand's minimum wage was raised nationwide to Bt300. The blanket wage ensured the minimum payment of Bt9,000 for unskilled labour, forcing all employers to raise the pays for skilled labour.