"There are not many economies around the world experiencing that type of momentum at present," Bagrie said.
"To be fair though, New Zealand should be growing strongly; the population is rising rapidly courtesy of booming migration. It's a case of more bums on seats delivering more demand for goods and services."
Today's survey shows a net 10 per cent of the 1,000 respondents said they were better off now than they were a year earlier, up from 5 per cent in May and the highest in more than a year. A net 36 percent of respondents believe it is a good time to buy a major household item, up two points from May.
More respondents expected economic conditions New Zealand to improve in the future, with a net 9 per cent anticipating good times financially for the country over the next 12 months, up from a net 6 per cent a month earlier, while a net 16 per cent anticipated continuous good times over the next five years, compared to a net 13 per cent in May.
Consumers predicted an annual rate of inflation of 3.8 per cent over the next two years, up from 3.3 per cent, and a 6 per cent rise in house prices in the same time, from 5.8 per cent a month earlier.
On a regional basis, Auckland recorded the largest lift in confidence to be the most optimistic of the regions. Wellington confidence fell from high levels, but still took second place.