Table 1.

All newspaper articles from all data sources classified as right‐leaning (R), left‐leaning (L) or politically centrist (C) by date of publication

Newspaper	1988–1992	1998–2002	2008–2012
Daily Express and Sunday Express (R)	3	3	16
The Guardian and The Observer (L)	28	21	30
The Independent and The Independent on Sunday (C)	24	17	12
Daily Mail and The Mail on Sunday (R)	6	35	53
Daily Mirror and Sunday Mirror (L)	0	17	13
The Sun (R)	2	2	15
The Daily Telegraph and The Sunday Telegraph (R)	4	2	22
The Times and The Sunday Times (R)	28	19	34
Total	95	116	195