Anatomy of the Forex Market – Infographic

Source   http://www.pepperstone.com/

By Instruments
Foreign exchange swaps – $1,8 trillion – 45%
Spot – $1,5 trillion – 37,5%
Outright forwards – $475 billions – 11,9%
Currency options – $207 billions – 5,2%
Currency swap – $43 billions – 1%

By Counterparties
with other financial institutions (hedge funds, pension funds, central banks) – $1,9 trillion – 47,7%
with bank dealers – $1,5 trillion – 37,5%
with non-financial customers (corporations and governance) – $533 billions – 13,4%
private traders – $60 billions – 1,5%