London traded nearly twice as much currency than did its nearest rival New York shows the latest data on foreign exchange markets provided by the Bank for International Settlements.
The daily average total turnover in foreign currency traded in London was $2.426BN in April 2016.
This is nearly double the size of trade sent through New York's institutions ($1.272BN) shows the latest data from the Bank of International Settlements (BIS).
The BIS offer the most comprehensive snap-shot of global foreign exchange trade via their Triennial Central Bank Survey of foreign exchange and over-the-counter (OTC) derivatives markets.
London has retained the top spot since 1995 when the data series was first produced.