How many immigrants arrived in the united states between 1875 and 1910?

A large number of immigrants arrived, and they sought acculturation programs at settlement houses. Their total population was almost 8 million in numbers. 
They lived in urban areas and most of them worked for the low paying jobs. The immigrants came from northern and western Europe including Great Britain, Ireland, and Scandinavia. But also a huge number of immigrants were from southern and eastern Europe.