Amid the economic chaos engulfing Europe, the far right recently flexed its muscles in two of the continent's most contentious elections, emphasizing immigration - legal or otherwise - as a political issue.
In the U.S., state-level immigration controls like those passed in Arizona in 2010 have become a darling issue of some on the political right, but the extreme anti-immigrant rhetoric that has characterized the rise of nativism in France and Greece has largely been absent so far.
Nativism and mass immigration are related, according to a recent study by the Migration Policy Center, a Washington-based think tank. But the connection is complex.
An increase in the number of immigrants in a particular area doesn't necessarily translate into an increased political support for radical-right parties, and it's unclear whether right-wing rhetoric necessarily spills over into violence, the center reported.
When immigration becomes a political issue it can help nativist candidates. But those candidates have not been especially successful in the United States or Europe, the report said.
However, in Greece, the rising extreme right party Red Dawn, boldly embracing an anti-immigration platform, earned nearly 7 percent of the popular vote this month in parliamentary elections. That equates to 21 of 300 seats. In 2009, the party garnered only 0.23 percent of votes.