Frequently Asked Questions

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What does it mean to be self-sufficient?

STOP PRESS - See this FAQ for important information on Comprehensive Sickness Insurance.

Recent developments will likely affect many areas including nationality, naturalisation, registration, access to benefits and more. The answer given below is therefore now out of date.

In the meantime, if you believe you are affected, please seek legal advice. If you have suffered loss because of past decisions where the Home Office said you did not meet the CSI requirement, please email us at .


You are self-sufficient if you are not employed or self-employed and you rely on your own savings or others’ income to live in the UK. 

For example, an EU student whose parents send them monthly payments for their living costs, but who does not work, is a student who is self-sufficient. An EU citizen who is relying on a partner’s income and staying at home with children is self-sufficient. 

Self-sufficient people need CSI to exercise treaty rights.

Note: this question, like other FAQs on Comprehensive Sickness Insurance (CSI), relates to applications for British citizenship, when considering whether periods of past residence were lawful. the3million’s Young Europeans have published a very useful document on key Citizenship facts which you can find here:

CSI is not required to apply for pre-settled or settled status under the EU Settlement Scheme. Also, once pre-settled or settled status has been granted, you are lawfully resident, and you do not need CSI.