How long can a person with dual citizenship stay in Mexico with just a passport?
As long as said person has a citizenship in Mexico, they should be able to stay for as long as they want.
However, it may be wise to get an identification card, but it shouldn't be needed.
You are Bangladeshi Canadian and you have dual citizenship How can your Bangladeshi husband become Canadian?
It allows it but does not recognize the foreign citizenship(s) of a Mexican national. This means that you should enter and leave Mexico using your Mexican passport and, while in Mexico, you are not allowed to seek consular assistance from your other country(ies) of citizenship if you get in trouble.
If I received my American citizenship 4 years ago do I have dual citizenship because I born in El salvador?
Japan does not allow dual citizenship; when the person who holds dual citizenship of Japan and another country reaches the age of majority, Japanese officials ask them to surrender one of the nationalities. So, if you have not renounced your US citizenship yet and can apply for (or have) a valid US passport, you do not need a visa to move to the US for work or any other purposes.
If you have an American passport, sure you can. Otherwise, you need a valid passport from your home country, as well as a visa issued by the Mexican diplomatic representation in such country. If you are a Mexican immigrant, you don't need such documents, as the Mexican constitution allows for dual citizenship.
A U.S. citizen may acquire foreign citizenship by marriage, or a person naturalized as a U.S. citizen may not lose the citizenship of the country of birth. U.S. law does not mention dual nationality or require a person to choose a citizenship or another. Also, a person who is automatically granted another citizenship does not risk losing U.S. citizenship. However, a person who acquires a foreign citizenship by applying for it may lose U.S. citizenship…
I have dual citizenship so i want to stay in Brazil over six months carrying an American passaport it is a problem?
Usually your passport depends on your citizenship. If you are a citizen of your country, lets say the USA then you have a US passport. You can also have a dual passport, depending on your citizenship again. You might be a naturalized citizen in one country and a citizen by birth in another. Sometimes, people working for the United Nations or a related organization may have passports issued by the UN.
This is my personal situation: I have both citizenships and my mother is mexican, my father is american, I was born in the States and have lived in Mexico practically all my life, so both countries now allow dual citizenship. In Mexico this is relatively recent, allowing this since approximately 2002.