وهي تلك الدول التي تعتبر معاقة هيكلياً في عملية التنمية التي تمر بها، وتحتاج إلى أعلى درجات الدعم من المجتمع الدولي في إطار جهودها الإنمائية.
In response to the socio-economic weaknesses of LDCs, the United Nations gives a strong signal to the main development partners of these countries by periodically identifying them and highlighting their structural problems, thereby pointing to the need for special concessions in their favour, essentially in the areas of trade, development financing and technical assistance.