For today's Geo Quiz, we asked whether the wave of immigrants entering the US is rising or receding. And where most are coming from.

Anchor Lisa Mullins gets the answer from William Frey, a demographer at the Brookings Institution in Washington.

The national trend and the answer to our Geo Quiz is:

The nation's immigration boom slowed substantially in 2007. Roughly half of US immigrants are from Latin America, a quarter are from Asia, 13 percent are from Europe, and just 4 percent from Africa.

Discuss immigration issues