Permanent residents who have committed crimes in Canada may not be eligible to become Canadian citizens for a period of time. People may be considered under a prohibition and cannot get citizenship if they:
- are currently serving a sentence,
- have been convicted of a serious crime in the last three years,
- are currently charged with a serious crime,
- are under a removal order (been asked by Canadian officials to leave Canada),
- are under investigation for, are charged with, or have been convicted of a war crime or a crime against humanity, or
- had Canadian citizenship taken away in the last five years.