How many people is their in the world

There are 7.8 billion people in the world as of 2020.

Explanation:

This is not reliable though as not everyone in this world is registered to be alive or dead. However, this is the best information we can rely on for the mean time.

workers of lowell mills were greatly benefited for the waltham type of work which was more a paternalist kind, trying to protect the integrity of this little girls coming from small farmers and providing an adequate place of work, this in an effort to avoid the issues of bad place conditions and immorality that the people in bigger industrialized cities of great britain were experimenting.