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Labour Market Statistics: June 2017 quarter
Embargoed until 10:45am  –  02 August 2017
Revisions

Revisions to Household Labour Force Survey

Each quarter, we apply the seasonal adjustment process to the latest quarter and all previous quarters. Every estimate is subject to revision each quarter as new data is added, which means that seasonally adjusted estimates for previous quarters may change slightly. In practice, estimates more than two years from the end-point will change little.

The March 2017 quarter unemployment rate remained at 4.9 percent after we applied seasonal adjustment.

This table lists the changes in estimates between the current and previous quarters for the seasonally adjusted data. 

Percent revision from last estimate, seasonally adjusted

Quarter

Male employed

Female employed

Male unemployed

Female unemployed

Male not in labour force

Female not in labour force

Jun 2016

0.02

-0.01

-0.38

1.01

0.00

-0.09

Sep 2016

0.07

0.01

-0.08

-0.01

-0.01

-0.01

Dec 2016

0.05

0.03

-0.27

0.63

-0.07

-0.07

Mar 2017

-0.04

-0.02

0.72

-1.59

0.06

0.18

This table presents revisions for the trend estimates. Trend revisions are generally larger than those of the seasonally adjusted data.

Percent revision from last estimate, trend

Quarter

Male employed

Female employed

Male unemployed

Female unemployed

Male not in labour force

Female not in labour force

Jun 2016

-0.02

-0.01

0.00

0.09

0.02

0.02

Sep 2016

0.22

0.01

-0.54

0.57

-0.03

-0.07

Dec 2016

0.43

0.07

0.14

1.19

-0.23

-0.26

Mar 2017

-0.17

-0.18

5.10

-5.51

0.37

0.89

The table below shows the average of all such absolute revisions, expressed relatively, and indicates to what extent the current estimates might be revised when the revised data for the next quarter becomes available.

Mean absolute percent revisions

Seasonally adjusted

Trend

1-step

4-step

1-step

4-step

Male employed

0.05

0.08

0.17

0.17

Female employed

0.06

0.11

0.24

0.25

Male unemployed

0.46

0.74

1.78

1.78

Female unemployed

0.53

0.85

1.90

1.93

Male not in labour force

0.10

0.17

0.39

0.38

Female not in labour force

0.09

0.15

0.35

0.37

In the table above, a ‘1-step ahead’ revision is one we make to an estimate one quarter later. For example, if in the March 2010 quarter the seasonally adjusted estimate of females employed was first published as 1,020,000, and then in the June 2010 quarter this same estimate was revised to 1,022,000, this would be an upward revision of 0.20 percent.

A ‘4-step ahead’ revision is one we make to an estimate four quarters later. For example, if in the March 2010 quarter release the trend estimate of females not in the labour force was first published as 665,000 and then in the March 2011 release, one year later, the trend estimate of females not in the labour force for the March 2010 quarter was revised to 664,000, this would be a decrease of 1,000, or a downward revision of 0.15 percent.

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