Chinese tourists are expected to spend more than £1bn in the UK by the end of this year.
Transaction data from the Early May bank holiday weekend reveals a 7% increase in card transactions in-store.
Retail Think Tank members predict that any growth in non-discretionary retail will be offset by a decline in discretionary spend.
UK households are set to spend 16% less money on the festive season this year.
Footfall fell 0.9% but spending rose by 1.3% in September.
Romantics splashed out on presents in the run up to Valentine's Day.
Russian tourist spending dropped by 13% in June.
Barclaycard records 3.7% rise in consumer spending in April.
Shopper numbers dropped by 10.7% on Easter Saturday.