FIFA says the amount of money spent on football transfers rose sharply in the past six months, although the number of deals fell slightly.
The number of transfers fell by 2% in the first six months of 2013, but their total financial value rose by 39%.
Total income from 5204 transfers around the globe was $928.8 million.
FIFA's transfer unit said the top seller was Brazil and the biggest buyer was England.
The organisation's transfer matching system uses an online system for registering international transfers.
TMS head Kimberly Morris said the vast majority of player moves so far this year were free transfers.
The BBC reports the figures refer to international transfers and do not cover "domestic" transfers between two clubs in the same country.
In 2012, the biggest spenders were English clubs, followed by those in Russia, Turkey, China and Germany.