This study doesn't prove what you said though. It just says that non-EU immigrants contribute less than EU immigrants on average. It also says that both EU and

This study doesn't prove what you said though. It just says that non-EU immigrants contribute less than EU immigrants on average. It also says that both EU and non-EU immigrants make a net contribution to the UK public finances on average. Non-EU immigrants It also clearly says that Non-EEA migrants are from any country outside of the EU which could include US, Canada, Australia, New Zealand etc.