History of football in Scotland
League

Outcome
Celtic
Rangers
Combined
%
One club 1st, other 2nd
24 (24)
24 (24)
48
40%
One club 1st, other not top 2
25
30
55
45%
Title wins by Old Firm club
49
54
103
85%
One club 2nd, other not top 2
N/A (7)
N/A (6)
13
11%
Neither club in top 2
N/A
N/A
5
4%
Title wins by another club
N/A
N/A
18
15%
Totals
49 (31)
54 (30)
121
100%

Question: How many championship titles have Old Firm clubs won?
Answer: Of the 121 championships played, 103 (85%) have been won by Old Firm with Rangers ahead on 54 titles to Celtic's 49.