New Zealand Population (Source: Statistics New Zealand)
Values from 1987 to 2014 are from the historical population tables. Values for 2018, 2023 and 2028 are generated from population projection growth rates applied to the 2014 figure. Years are to June. Projection uses the medium scenario

Auckland Region population (Source: Statistics New Zealand)
Values for 1996, 2001, 2006, 2013 and 2014 are population estimates. Values for 2018, 2023 and 2028 are generated from population projection growth rates applied to the 2014 figure. All other years are interpolated. Years are to June. Projection uses the medium scenario.

Dependency ratio (ratio of 65+ to 15-64 year olds) (Source: Statistics New Zealand)
Years from 1991 to 2014 are resident population estimates. Values for 2018, 2023 and 2028 are generated from population projection growth rates applied to the 2014 figure. Other years are interpolated. Measure is proportion of population aged 65+ to proportion of population aged 15-64

Labour force, Labour force under 65 (Source: Statistics New Zealand)
Years are to June from 1987 to 2023. 1987 to 2014 are from the HLFS. Values for 2016, 2021 and 2026 are generated from labour force projection growth rates applied to the 2011 HLFS figure. Other years are interpolated.

Households (Source: Statistics New Zealand)
Years are to March (except 1991 to June). Values for 1991 to 2015 are from the Dwelling and Household Estimates. Values for 2016, 2021 and 2026 are generated from the Family and Household Projection growth rates applied to the 2011 Dwelling and Household Estimates figure. All other years are interpolated

Mobile phones (Source:Commerce Commission):
Years are to March until 2005, then to June. Since 2009 the Commerce Commission has measured mobile connections based on the number of phones actually used by customers in the previous 90 days.

Broadband (Source: Telecom NZ; OECD; Commerce Commission)
This represents fixed-line broadband connections. Years are to June. Historic Telecom Annual Reports appear to be no longer online. Broadband figures for 2000, 2001 and 2002 are Telecom Jetstream customer numbers. The 2003 figure is interpolated.