While tourists and business visitors have always remained the lifeblood of Hong Kong, today the country is focused on bringing more and more migrants to the nation.  To ease immigration and bring about a booming success to its migration sector, Hong Kong has made entry and exit formalities as fast and simple as possible.  Hong Kong allows nationals from more than 170 countries with adequate funds to visit the nation without and stay there for a maximum period of 6 months. However, foreign nationals planning to study, work, invest or reside in Hong Kong must obtain an entry visa before arrival and be sponsored.