There are currently more than 87,000 applications for refuge in Costa Rica, of which 80% are from Nicaraguans and 7% are from Venezuelans, according to government data.
The UN urged countries Tuesday to take joint responsibility for caring for surging numbers of displaced people, while wealthy nations faced criticism for not shouldering their "fair share" of the burden.
Solís described the aid from the U.S. government as “the biggest assistance granted in the last 30 years” and a reflection of the good relations between the two countries.
President Luis Guillermo Solís will meet Monday with U.S. Vice President Joseph Biden in Washington D.C. to talk about security, migration and green energy.
A 45-year-old U.S. man is currently hoping to be granted refugee status in Costa Rica after he was detained by immigration authorities in April for being in the country illegally.
