on-course income for 2016 includes all money earned on the PGA Tour and the five international tours (Japan PGA, PGA European, Australasian, Southern Africa, Asian) and the PGA Tour Champions, LPGA Tour, Ladies European Tour and the Japan LPGA through Dec. 4, 2016. It includes unofficial money won in nontour events.
off-course income includes estimates of all money earned from endorsements, bonuses, appearance fees, corporate outings, speaking engagements, licensing fees (video games, trading cards, etc.), course architecture, books, instructional videos and businesses that capitalise on a person’s status as a player, such as product lines including clothing, wine and turfgrass. Investment income is not included.