Immigrants make a huge contribution to the UK economy, according to Green co-leader Caroline Lucas.
The impact of immigration on public finances is relatively small according to most studies, costing or contributing less than 1% of UK GDP, Full Fact say.
Immigrants from the European Economic Area and recent immigrants are more likely to have a positive impact (or less likely to have a negative impact).
No overall figure necessarily represents the experiences of any individual or local area: for example immigration's public service impacts vary by region.
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