Many countries seem to be confronting challenges from ethnic movements
. This study extends arguments from existing theories to consider an e
xplanation of ethnic mobilization at the world system level. The analy
sis uses structural equation models to compare data on ethnic mobiliza
tion in 130 countries from 1965 to 1990. The authors examine hypothese
s concerning the impact of peripheral status and integration into the
world system on the magnitude of ethnic violence and nonviolence. Resu
lts provide evidence that peripheral countries with more ties to inter
national governmental organizations have significantly lower levels of
ethnic violence than peripheral countries without these ties. Moreove
r, peripheral countries with more memberships in international organiz
ations experience a significantly higher magnitude of ethnic nonviolen
t protest Finally, we present some speculative results regarding the i
mpact of income inequality on the magnitude of ethnic violence.