Economic aid not only gives leverage to donor nations over lenders, but also fulfil its main aim of helping the less well-off.
There are some countries that have no airports at all, while some nations are not short of them.
Let's take a look at 25 biggest consumers of oil in the world.
United States has the world's largest railway network.
Let's take a look at some major producers of electricity.
Public debt is the total amount of money borrowed by the government.
United States has the world's longest road network.
From being an inevitable part of the telecommunication services, landline devices are becoming outdated.