Burundi is densely populated and experiences substantial emigration.
Most of the Caribbean Islands endure a substantial emigration of qualified workers.
There was substantial emigration from the village before the Second World War.
The population of the island continues to drop (from a peak of 5,200 in 1966 to 2,100 in 2000), with substantial emigration to New Zealand.
Thus, in spite of substantial emigration, the population of Lewis more than trebled during the course of the 19th century.
There was substantial emigration towards Bulgaria even before the Balkan wars, approx.
Since the end of the 19th century there was substantial economic emigration abroad from Croatia in general.
El Salvador is another country which experienced substantial emigration as a result of civil war and repression.
The main wave of Scandinavian emigration occurred in the 1860s lasting until the 1880s, although substantial emigration continued until the 1930s.
San Felè suffered from substantial emigration in the late 19th century (to North and South America).