Exactly 18 months to go before GE2015 a look at whether incumbent governments ALWAYS recover
The evidence is mixed The above chart was compiled by taking the polling average closest to the 18 month point before election day. As can be seen the first opposition leader to break the rule was Mrs. Thatcher in 1979. Jim Callaghan’s government performed worse on election day than the polls 18 months beforehand – but then, of course, there was the “winter of discontent”. In 1983 Mrs. Thatcher saw the biggest variation on the polling average 18 months earlier…