The report said international service exports accounted for 21 per cent of the total global exports (valued at just over USD 5 trillion) in 2014, a growth of almost 5 per cent over the previous year.
The total global exports for 2014 stood at USD 24 trillion, up 1.2 per cent, compared with the previous year, it added.
According to UNCTAD's Handbook of Statistics 2015, services exports from both developed and developing economies grew strongly in 2014 at 5.3 per cent and 4.8 per cent, respectively.
Giving a sectoral pattern, it said: "Growth in exports of food and agricultural raw materials from Africa and Asia in particular were strong (4.8 per cent and 3.7 per cent, respectively), as was the exports of manufactured goods from these regions (2.6 per cent and 4.6 per cent, respectively)," it said.
In contrast, the value of exports of minerals, ores, metals and fuels fell sharply across countries in all regions irrespective of development status.