How many couples make it to their 60th wedding anniversary?

Answer 1

82% reach their 5th anniversary

65% reach their 10th anniversary

52% reach their 15th anniversary

33% reach their 25th anniversary

20% reach their 35th anniversary, and

only 5% reach their 50th anniversary.

due to age the 65th anniversary is standing at proximate 1.2%

Answer 2

60th is a big number, and few number live to experience this. At this point most couple are already old so age is also a factor.