Most people view marriage as a significant milestone in their lives, especially if they aspire to start a family or deepen their relationship. However, they cannot simply decide to arrange a marriage ceremony for the sake of love. Couples who want to tie the knot in Australia should familiarise themselves with the marriage laws in Australia.
Marriage is a significant event in a person’s life, and it is important to understand the legal implications of marriage in Australia. It has several legal consequences for the parties involved. By knowing these consequences and other marriage requirements for getting married, you can make an informed decision about whether or not to get legally married.
So, let’s find out what laws you should be aware of if you want to enter into a marriage.
| Key Takeaways – The Marriage Act 1961 applies throughout Australia, excluding state laws on marriage. – Australian law recognises only monogamous marriages, being marriages of two people, including same-sex marriages, and does not recognise any other forms of union. – In the case of foreign marriages, the foreign marriage certificate is normally adequate proof of marriage. – Civil marriage celebrants are authorised to conduct and solemnise civil wedding ceremonies. – The minimum age for marriage in Australia is 18 years, but a person aged 16 or 17 can marry with court authorisation. – Divorce in Australia is governed by the Family Law Act 1975 and can be granted on the grounds of irretrievable breakdown of the marriage. |
Unique Aspects of Marriage Laws in Australia
1. Same-sex marriage: Australia was one of the early adopters of marriage equality and legalising same-sex marriage in December 2017. This was a bit later compared to the legalisation of same-sex marriage in the United States (2015) and the United Kingdom (2014). The legal marriage vows may include alternative wording that will reflect gender identity for LGBTIQ+ couples.
2. No religious requirement: There is no religious requirement for marriage in Australia. This means that couples can choose to have a civil ceremony or a religious ceremony, whichever they prefer.
3. Registered marriage celebrants: Registered marriage celebrants can only handle marriage ceremonies in Australia. Celebrants can be religious or non-religious, and they must be approved by the government.
4. Pre-marriage counselling: All couples in Australia are required to attend a pre-marriage counselling session with their celebrant. This session is designed to help couples prepare for marriage and to ensure that they understand the legal and practical implications of marriage.
Marriage in New South Wales
Australia, specifically in New South Wales, is a famous place for a wedding venue. Want a cozy outdoor honeymoon? Try the Wild Sanctuary! But if you’re feeling fancy with your spouse, you could also try the Spicers Sangome Resort! Regardless of your reception or honeymoon destination, you must meet the following conditions to be legally married in NSW:
- Not already be married
- Not married an immediate family member or in any prohibited relationship
- Be able to understand what marriage means and freely consent to it
- Be married by an authorised marriage celebrant
- Must meet the minimum legal age of marriage of 18. However, if you are aged 16 or 17, you must seek court approval from a judge or magistrate to marry and consent from your parent or guardian.
Additionally, marriage laws in Australia also state that:
- You do not need to be an Australian citizen or permanent resident to get married in Australia.
- You must complete a notice of intended marriage form and give it to your celebrant between 1 and 18 months before the wedding.
- You must also show your celebrant documents that prove your date and place of birth, identity, and that any previous marriages have ended. So, make sure you still have your birth certificate and any relevant identification cards you have.
- On the day of the wedding, you will sign 3 marriage certificates with your celebrant and witnesses.
- Your celebrant will register the marriage with the registry of births, deaths and marriages in the state or territory where the ceremony took place.
- You cannot register an overseas marriage in Australia. Instead, the government will ask for the marriage certificate issued to you as evidence of your marriage overseas.

Marriage Laws in Australia: Relevant Acts and Legislation
The following acts and legislations are relevant to marriage laws in Australia:
1. Marriage Act 1961: The Marriage Act 1961 is the primary legislation governing marriage in Australia. It sets out the requirements for a valid marriage in Australia, including the age and consent requirements, the notice of intended marriage, and the solemnisation and registration of marriages.
2. Sex Discrimination Act 1984: The Sex Discrimination Act 1984 prohibits discrimination based on sex, marital status, and pregnancy in a range of areas, including employment, education, and the provision of goods and services.
This act also ensures that a minister of religion or religious marriage celebrant or chaplain cannot refuse to marry a couple based on the grounds of their sexuality or gender.
3. Family Law Act 1975: The Family Law Act 1975 governs divorce in Australia. It provides for the dissolution of marriage, the division of property, and the care and welfare of the children of the marriage.
It’s important to be updated on such laws since this will dictate your rights and obligations as a spouse and a parent. Yes, being a married individual and a parent in Australia is no walk in the park, and you will need to adhere to such laws.
Why Should You Consider Pre-Nups and Post-Nups?
One of the most important things under your name is your assets, and when you marry, it’ll naturally combine with your spouse’s. Do you see how this can be a problem? Yes, some couples who go through divorce will eventually argue over their assets. However, we can prevent such disputes with pre-nuptial and post-nuptial agreements.
Whether or not it is advisable to get a prenuptial agreement in Australia depends on your circumstances. Marriage laws in Australia state that both of these agreements can protect your assets and interests in the event of a divorce. However, they are not necessary for everyone, and there are some potential drawbacks to consider.
Pros of Prenuptial Agreements
1. Protect your assets: Prenuptial agreements can help protect your assets from unfair divisions with your spouse in the event of a divorce. This can be especially important if you have significant assets, such as a business, investment property, or inheritance.
2. Reduce conflict: Prenuptial agreements can help to reduce conflict and uncertainty in the event of a divorce. By setting out how assets will be divided in advance, couples can avoid having to negotiate these matters during an already difficult time.
3. Provide peace of mind: Prenuptial agreements can provide peace of mind for both partners, knowing that their financial interests are protected.
Cons of Prenuptial Agreements
1. Cost: Prenuptial agreements can be expensive to prepare, especially if you involve family lawyers.
2. Complexity: Prenuptial agreements can be complex and difficult to understand. It is important to have a lawyer review your prenuptial agreement before you sign it.
3. Potential to damage the relationship: Some people believe that prenuptial agreements can damage the relationship by introducing a sense of mistrust. However, if couples discuss the prenuptial agreement openly and honestly, it can strengthen the relationship.
Post-nuptial agreements work the same way, but ex-couples only enter into them during a divorce.

The Experts on Marriage Laws? That’s Us
Family lawyers have a great amount of experience and knowledge about family law matters, especially laws that revolve around marriage. While this article just gives a basic overview of marriage laws, their requirements, and asset protection, we at JB Solicitors want to help you with any other matters that come with marriage, such as:
- Parenting arrangements and how to resolve disputes about them
- Spousal maintenance eligibility
- How to protect or divide your inheritance from your ex-spouse
- Updating your Will after a divorce
- How to place an Apprehended Domestic Violence Order (ADVO) on your violent or abusive partner
- Drafting pre-nuptial agreements and post-nuptial agreements
- Overseas marriage procedures and related legal matters
- Orientation for couples on the legal requirements of marriage
Contact us today if you need more clarification on marriage laws in Australia.