It is the largest legal migration of Irish since 1965.
It has been called the largest annual human migration in the world.
It was the largest forced migration in human history.
At that time, this represented the largest migration across the Rockies in history.
It was the largest migration to the shore in the city's history.
A large migration of rural residents to the capital increased the population to 25,000 by 1825.
A large migration has taken place to cities and abroad leaving the village empty.
The largest migration of people in world history before the 20th century was the Atlantic slave trade.
These large migration flows influenced the process of nation state formation in many ways.
However due to large migration to the Gulf in the 70s and 80s the place has become economically prosperous.