Residency is the act of staying in a given place. It may either be a village, town city, or even a country. It is hard for a major city or a country be occupied only by the natives. There are certain factors that influence the residency. Citizenship on the other hand is the state of being a citizen of a given country. Being a citizen of a given state means that you are a legally recognized member of that country.
There are several ways in which one can acquire citizenship. One of the ways of acquiring the citizenship of a place is through birth. One can also become a citizen of a country following an adoption. It is possible for one to become a citizen of a place through naturalization. This is simply requesting the country to award you with citizenship. The last way that you can acquire the citizenship of a place is through international treaties. This is not a common way of attaining citizenship though. There is a privilege provided by some countries allowing their citizens the chance to be dual citizens.
People move from one place to another for various reasons. These movements include even the cross borders movements. There are various reasons that make people prefer residing in a particular area or country. There are people who become residents of a place because of the employment opportunities in that area or country. This is the number reason for why people become residents of a place. A person can change their place of residence as a result of a job transfer.
The desire to further your studies can be the reason why you move to another place and therefore becoming a resident there. A person might be forced to live in a foreign country in pursuit of knowledge. For example there are very many students from around the world that end up staying in the United States after completing their studies. These students may even end up acquiring the citizenship of the country via naturalization. Some people run away from their homes and become residents of other places because of war and insecurity. Moving out of a war zone will force you to settle in another different location hence becoming the resident of that place. Therefore, work, education, and war are the factors that influence the residence of noncitizens to a place.
Tax is defined as the money paid to the government. And this money paid to the government is not for making any purchases. It is the responsibilities of the citizens of a country to pay taxes. The payment of taxes is an obligation to all the citizens of any country. The other residents who are also working are supposed to pay their taxes. The taxes of the citizens are different from those with noncitizens. This is one of the benefits of being a citizen. The collected money is used by the government for governance. The money collected as a tax is used by the government in the provision of services.