Dual citizenship, also known as multiple citizenship, is the legal status of being a citizen of more than one country. Many countries allow dual citizenship, while others do not. There are many benefits to having dual citizenship, including the ability to live and work in two or more countries, to vote in two or more countries, and to have access to social services in two or more countries.
The requirements for obtaining dual citizenship vary from country to country. In general, you must be a citizen of one country and have a legal residence in another country. You may also need to pass a language test or a citizenship test. The process of applying for dual citizenship can be complex and time-consuming, but it is often worth it for the benefits that it can provide.