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Median age at marriage, separation and divorce, 1998, 2008 and 2018
(a) Data for 2018 includes same-sex divorces which could not be identified separately when calculating median age by sex. As a result, the median age for males contains age information for 50 females, and the median age for females contains age information for 22 males. Due to the small numbers involved, there is minimal impact on output.
Age-specific divorce rates
Age-specific divorce rates by sex, 2018
(a) Age-specific divorce rates reflect the number of males or females in a specific age group who were granted a divorce during the year, per 1,000 estimated resident population of males or females in the same age group, at 30 June for that year. There are a small number of persons aged under 16 years included in divorces data, who were legally married overseas. These persons are included in the 16-24 year age group when calculating rates. See 'Rates and rounding' in the Explanatory Notes for further information.
(b) For 2018, same-sex couples could not be identified separately when calculating age-specific divorce rates by sex. The rates for males presented in this graph include age information for 50 females, and the rates for females include age information for 22 males. Due to the small numbers involved, there is minimal impact on output.
Duration of marriage of divorcing couples
The median duration of marriage to divorce was 12.3 years in 2018. This was 1.1 years longer than the median duration of marriage for divorcing couples 20 years ago (11.2 years). The median duration of marriage to separation was 8.6 years in 2018 compared to 7.8 years in 1998.
Median duration to separation and divorce, 1998-2018
The increase in duration of marriage for divorces in 2018 compared with those in 1998 was driven by a proportional decrease in marriages of a short duration (1-4 years) and proportional increase in marriages of a long duration (30 years or more). In 1998, 18.9% of marriages that ended in divorce ended before the fifth year, compared to 15.1% in 2018, while 10.0% of marriages lasted for 30 years or more in 2018 compared to 6.1% in 1998.
Proportion of divorces by duration of marriage, 1998 and 2018
(a) See 'Considerations when interpreting 2018 and time-series data' in the Explanatory Notes for further information.
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