With commitments of USD 19.6 billion, the lower middle income countries were the largest aid-for-trade recipients in 2015, whereas the upper middle income countries saw their commitments drop by USD 600 million, to USD 8.6 billion. At USD 51.6 billion or 85% of total commitments, this group received an increase of USD 5.3 billion from their 2014 levels. To a lesser extent the low-income group also increased by USD 0.6 billion to USD 5.7 billion, with the lion's share being attributed to the least developed countries.