With the exception of Dushanbe, all other regional powers will strictly limit numbers.
Cold, hungry, and trapped, Afghans and Iraqis are amongst those caught between countries.
Many who fled the uprising say life in the neighbouring country has not been easy.
Remittances from those working abroad make up a key part of the country’s economy.
Thousands working in Poland suddenly find themselves without jobs and homeless.
Russia’s economic woes will have a major knock-on effect in the region.
Despite the dangers, tens of thousands continue to seek a better future across the border.
Migrants who leave their troubled country face more problems on the Caribbean island.
Hundreds living in Trinidad and Tobago face an uncertain future.
Washington-Havana détente means many are worried time is running out to seek a new life.