The Personal Wellbeing Index fell by a significant 1.0 percentage points since Survey 18 in November 2007. One reason for this fall appears to be a sharp increase in inflation. The National Wellbeing Index has fallen by a non-significant 0.7 points since the previous survey; it remains at its highest level yet recorded. The Personal Wellbeing Index fell by a significant 1.0 percentage points since Survey 18 in November 2007. All of the domains have followed suit to various degrees. One reason for this fall appears to be a sharp increase in inflation. Over the 19 surveys, the CPI averaged over the 12 months prior to each survey, is able to explain 56 per cent of the variation in the wellbeing of females and 18 per cent for males.
The National Wellbeing Index has fallen by a non-significant 0.7 points since the previous survey. It remains at its highest level yet recorded.