I am translating this text from English into Italian, but I have some difficulty with this phrase. Would you please give it a look?
The visas, however are distributed among six geographic regions with a greater number of visas going to regions with lower rates of immigration, and with no visas going to citizens of countries sending more than 50.000 immigrants to the U.S. in the past five years.
visas are sent to six different geographical regions
more visas are sent to regions with lower rates of emigration to the US
no visas are sent to citizens of countries from which more than 50.000 people have emigrated to the U.S. in the past five years.
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(en bref, ils essaient de donner des memes chances à chaque personne)
d'ailleurs, ce texte laisse à penser que un pays qui 'envoie' beaucoup de personnes aux EU et appartenant à une region qui globalement n'envoie pas bcp des personnes aux EU peut se voir accorder bcp de visas sauf si la condition precisée (>50000/5ans) est remplie