The following χάρτης shows the volume of international calls between the countries of the whole world carried out during one year.
The image comes from a DHL survey and is titled "Global Connectedness Index 2014". This index records the levels of globalization and how they change from year to year. One of this year's conclusions is that global cohesion, which depends on cross-border flows that show exchanges productof, capital, information and people, has recovered most of the losses it suffered during the financial crisis.
With an analysis of data arising from this research, one can draw several conclusions. One of them is that 41% of international calls originate from developed economies and end up in developing ones. Only 9% follow the reverse path. In part, this phenomenon can be explained in two ways.
On the one hand, we see which countries are most often chosen by immigrants. See for example the relationship between USA and Mexico. On the other hand, in a developed country the cost of international calls is quite lower than in a developing country. So the first group of citizens has more financial comfort to invite a relative who belongs to the second group of citizens.
This map, of course, does not reveal to us how rarely someone calls in another country. The researchers who created it report that if we add all the minutes that people spend on international calls calls, we will see that they correspond to only 3% to 4% of the total time spent on calls.
Here is a different way to represent the data of the above map. Click on the image to see it in higher resolution.
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