Citizenship is very important, especially where the applicant very likely who has spent a vast amount of time in the UK. Before you can apply for British citizenship, you must acquire Indefinite leave to remain or settled status in the UK. In order to do so, you would need to have usually completed 3 or 5 years residence in UK to qualify for settled status or ILR.

It is also important to check that you meet the other eligibility requirements of the rules when seeking to apply for British citizenship in the UK.

Original Source: https://www.quora.com/What-is-citizenship-How-important-is-it/answer/My-Legal-Services-1