As a result of this calamity, the population of Ireland decreased by 25%, or 2 million people, in the 1840s
Although the net 
export of food out of Ireland actually decreased over the Famine period, ... 
number of native Irish speakers was estimated at four million -- in 1851, only 2 
million... [DOC] [TLE] Free irish potato famine Essays and Papers [PAR] At the time Ireland's population was only about 8 million so this famine had ... H. 
Johnson, this caused the population of Ireland to decrease 20-25% and it ... 
home-grown potatoes and the population almost doubling from 1800 - 1840.