Globally taxed countries impose taxes on their citizens and tax residents on income earned anywhere in the world. In the case of tax numbers with two nationalities at the same time, even if you are a citizen of dual nationality living abroad, you may owe taxes to two countries at the same time, but if the income tax treaties are signed between the two countries, these treaties are reduced Or eliminated the tax liability of one of the places. For example, the treaty between the United States and New Zealand takes precedence over the income tax laws of each country to avoid double taxation. Even so, according to the CRS agreement, your bank account may be transparent. In these two countries, citizens of dual nationality may also need to submit tax returns. Because the tax laws are complex and change every year, you may accidentally fall into tax evasion. Bring a fine of not small amount.