Labour Market Statistics (Income): June 2018 quarter

##External data influencers We collected data in this release in the June 2018 quarter (8 April to 7 July 2018). Changes in income may be influenced by one-off events. Events that could have influenced the June 2018 quarter data include: the rise in the adult minimum wage from $15.75 to $16.50 (effective from 1 April 2018) the rise in the starting-out and training minimum wage from $12.60 to $13.20 (effective from 1 April 2018) increases in New Zealand Superannuation rates of 2.7 percent (effective from 1 April 2018) increases in benefit rates of 1.4 percent (effective from 1 April 2018) the Care and Support Worker (Pay Equity) Settlement Act (2017) (effective from 1 July 2017). ##Response Rate As the Labour Market Statistics (Income) content is collected as part of the Household Labour Force Survey (HLFS), the same target response rate and target achieved sample rate apply. The target response rate for the HLFS is 90 percent and target achieved sample rate is 76 percent. The response rate for the June 2018 quarter was 78.9 percent and the achieved sample rate was 70.9 percent. See New quality measures for the Household Labour Force Survey for more information on the sample rate and response rates. ##Sampling errors The table below summarises the main relative sampling errors for the June 2017 and June 2018 quarters, by income source. Relative sampling errors for average and median weekly income for all people aged 15 years and over, June 2017 and June 2018 quarters Income source Sampling error (%) 2017 2018 Average Wages and salaries 1.3 1.3 Self-employment 5.0 6.5 Government transfers 0.9 1.0 All sources collected 1.5 1.6 Median Wages and salaries 1.0 1.1 Self-employment 6.7 6.5 Government transfers 0.4 0.9 All sources collected 2.7 2.0 The sampling error and relative sampling error for the gender pay gap in the June 2018 quarter are 1.6 percent and 17.7 percent, respectively. en-NZ