"The situation around Brexit combined with improvement in the socio-economic situation in Poland may mean that some Poles (an estimate of 100,000-200,000) presently living in Great Britain will decided to return," Poland's Development Ministry said in a reply to a question by a member of parliament.
Some 916,000 Poles live in the United Kingdom, according to 2015 data from Britain's Office for National Statistics.
Figures earlier this month showed a steady rise in the number of EU migrants working in Britain stalled at the end of 2016, suggesting the Brexit vote and the subsequent fall in the value of the pound, might have made the country less attractive as a place to work.
After a surge in immigration over the past 20 years, Britain has one of the highest proportions of non-native workers among European countries. Worries about migration were a big factor in last June's vote to leave the EU.
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