He was 46 when he won his final major. He won 18 majors in total.
Jack Nicklaus has won 18 majors, the most any player has ever won.
Six ... 1963, 1965, 1966, 1972, 1975, 1986.
18.
46_ Nope I believe this earlier answer is confused with his 18th major. In 1978, at age 38, Nicklaus won the British Open. This was his 15th major championship victory.
Tiger needs four more majors going into the 2012 PGA championship. He has 14 majors and Jack has 18 as of August 8, 2012.
Jack Nicklaus, with 18.
Jack Nicklaus with 18.
for one Jack Nicklaus has 18 majors cmpared to Tiger's 13
Jack Nicklaus has won 18 major championships.
Jack Nicklaus, 19.
14
From 1957 to 2005, Jack Nicklaus played in 163 Major championships. He missed the cut 32 times. But some of these came in his amateur career, and most of them came in his declining years.