The rate moves when employment, unemployment or the labour force boundary shifts between work, job search and inactivity.
- Unemployed: people without work who are available and sought work in the past 4 weeks or start a job within 4 weeks. Looking at job advertisements alone does not count.
- Employed: people who worked for pay, worked unpaid in a family business or held a job but were absent. Full-time means 30 hours or more each week and part-time means fewer than 30 hours.
- Not in the labour force: people neither employed nor unemployed, such as retirees, students and people not seeking work.
- Labour force: employed plus unemployed people, the denominator of the rate.
- Underemployed: part-time workers below 30 hours weekly who want and can work more hours.
- Potential labour force: jobless people near the labour force who want work but are not seeking or not available.
In the June 2020 quarter published August 5, 2020 the seasonally adjusted rate was 4.0% down 0.2 percentage points with unemployed down 6000 to 111000. In the same quarter underutilisation, meaning total spare labour capacity, was 12.0% up 1.6 percentage points with total underutilised up 45000 to 346000. Underemployed people rose 33000 to 125000 and the potential labour force rose 18000 to 111000, including available jobseekers up 18900 to 92400. So falling unemployment hid rising slack. Stats NZ said unemployment and employment both fell as more people left the labour force during lockdown.