immigration and emigration patterns of china

Answer 1

More people are leaving the country than immigrating to it.

http://www.migrationinformation.org/Feature/display.cfm?ID=219

http://www.country-data.com/cgi-bin/query/r-2623.html

https://www.cia.gov/library/publications/the-world-factbook/geos/ch.html

Answer 2

is there a chart or information showing where these people immigrate/migrate the most?

Answer 3

http://en.wikipedia.org/wiki/Overseas_Chinese