
The number 13 is often considered unlucky in Western countries due to its association with Judas, the apostle who betrayed Jesus during the Last Supper, as depicted in Christian texts. In Norse mythology, Loki, the god of mischief, was the 13th guest at a dinner party, leading to an upset in balance and the introduction of evil and turmoil to the world. While some countries like the UK have streets and buildings that avoid the number 13, Australia does not commonly practice this. However, Australian buildings may sometimes omit the 13th floor, and Australian travellers may avoid the number in planes and hotels due to superstition.
| Characteristics | Values |
|---|---|
| Is 13 an unlucky number in Australia? | There is no consensus on whether 13 is an unlucky number in Australia. While some people may consider it unlucky due to superstitions and cultural beliefs, others do not hold the same belief. |
| Superstitions and cultural beliefs | In Western culture, the number 13 is often associated with bad luck and misfortune. This belief may stem from biblical and mythological references, such as Judas being the 13th guest at the Last Supper in Christianity and Loki being the 13th guest at a feast in Norse mythology. |
| Impact on behaviour | Some Australians may alter their behaviour or decisions due to the belief that 13 is unlucky. For example, they may avoid living on the 13th floor of a building or choosing a house number 13. |
| Commercial implications | Some commercial buildings in Australia may omit the 13th floor or room number 13 due to the belief that it is unlucky. However, this is not a common occurrence, and many streets and houses in Australia retain the number 13. |
| Fear of the number 13 | The fear of the number 13 has a specific name, "triskaidekaphobia," and when coupled with Friday, it is called "paraskevidekatriaphobia." |
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What You'll Learn
- The number 13 is not a common occurrence in Australian streets and houses
- The Australian industry does not display the same concern around the number 13 as other countries
- The number 13 is considered unlucky in Christianity and Norse mythology
- Triskaidekaphobia is the term for the fear of the number 13
- Friday the 13th is considered an unlucky date

The number 13 is not a common occurrence in Australian streets and houses
The number 13 is often considered unlucky, with the fear of this number even having its own name: triskaidekaphobia. This phobia is prevalent in many Western countries, with some buildings and streets omitting the number 13 from their floor or house numbers. However, in Australia, this superstition is not as widely observed. Australian streets and houses often retain their number 13, with no widespread ban on the number being reported.
The Australian real estate industry, for example, has not displayed the same level of concern around the number 13 as some other countries. While some individuals may still hold superstitious beliefs about the number, it is not a common occurrence for Australian streets or houses to omit it from their addresses. This suggests that the belief in the unluckiness of the number 13 is not as strongly held in Australia as it may be in other parts of the world.
One possible explanation for the aversion to the number 13 is its association with several historical events and religious texts. In the Bible, Judas, the apostle who betrayed Jesus, was the 13th guest to arrive at the Last Supper. Similarly, in Norse mythology, Loki, the god of mischief, was the 13th guest at a dinner party, where he caused an upset and introduced turmoil. These negative associations with the number 13 may have contributed to its reputation as unlucky.
Despite the existence of these beliefs, the number 13 is still present in Australian streets and houses. While some individuals may choose to avoid living in a house or apartment with the number 13 due to personal superstitions, it does not appear to be a widespread practice in Australia. There do not seem to be any significant reports of Australian streets or housing developments omitting the number 13 from their addresses.
However, it is worth noting that while Australia may be more accepting of the number 13 in their streets and houses, this superstition still exists in other aspects of Australian life. For example, some Australian high-rise buildings and elevators may still choose to skip the 13th floor, catering to those who hold these superstitious beliefs. Additionally, some individuals may still choose to avoid purchasing a house with the number 13 due to concerns about resale value and the potential for a smaller pool of buyers.
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The Australian industry does not display the same concern around the number 13 as other countries
The number 13 is often considered unlucky in many countries. In numerology, 13 is a "karmic debt" number, and it is believed that having 13 guests at a dinner party can lead to negative consequences. This belief stems from the Bible, where Judas, the apostle who betrayed Jesus, was the 13th guest at the Last Supper. Similarly, in Norse mythology, Loki was the 13th guest at a feast in Valhalla, where he tricked another attendee into killing the god Baldur.
While some countries take this superstition seriously, the Australian industry does not display the same concern around the number 13 as other countries. In Australia, streets, houses, and buildings often retain the number 13, unlike in the UK, where a quarter of streets do not have a house numbered 13.
However, some Australians still hold onto the superstition. For example, some Australian travellers avoid the 13th row on planes and the 13th floor in hotels. Additionally, some people believe that houses numbered 13 are cheaper due to lower demand from superstitious buyers.
Despite this, Australia has not witnessed the same level of avoidance of the number 13 as seen in other countries, indicating a more relaxed attitude towards this superstition.
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The number 13 is considered unlucky in Christianity and Norse mythology
The number 13 is often considered unlucky in Western countries, including Australia, due to its association with Christianity and Norse mythology.
In Christianity, the number 13 is linked to the Last Supper, where Judas, the apostle who betrayed Jesus, was believed to be the 13th guest. This event, along with the subsequent crucifixion of Jesus on Good Friday, is believed to have contributed to the superstition surrounding the number 13, especially when it falls on a Friday. This day is known as Friday the 13th and is considered a day of bad luck by many people, leading to behaviour changes and even financial losses.
In Norse mythology, the god Loki is associated with the number 13. Loki was the 13th guest at a feast in Valhalla, where he tricked another attendee into killing the beloved god Baldur, bringing turmoil to the world. This story further reinforces the negative connotations of the number 13.
The fear of the number 13 has a specific name, triskaidekaphobia, and it has led to its avoidance in various contexts. For example, many buildings, including high-rise hotels, hospitals, and airports, do not have a 13th floor, and some streets in the UK lack a house numbered 13. Interestingly, Australia has not displayed the same level of concern regarding the number 13, with streets, houses, and buildings retaining the number.
The aversion to the number 13 is not limited to Western cultures, as other countries have their own unlucky numbers. For example, Japan considers the number 9 unlucky due to its similarity in pronunciation to the word for "suffering," while China actively avoids the number 4 as it sounds similar to the word for "death."
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Triskaidekaphobia is the term for the fear of the number 13
The fear of the number 13 is thought to date back to ancient times, with many ancient cultures considering the number 12 to be "perfect" or "complete". As the number that follows 12, 13 seemed flawed and inspired unease. The number 13 is also associated with several historical events that have contributed to its negative reputation. In Norse mythology, Loki (the god of mischief) was the 13th guest to arrive at a feast in Valhalla, where he tricked another attendee into killing the god Baldur. In Christianity, Judas (the apostle who betrayed Jesus) was the 13th guest at the Last Supper.
The fear of the number 13 has led to several superstitions and practices. Many buildings, for example, do not have a 13th floor, and people often avoid getting married on the 13th of the month. In some countries, the number 13 is also omitted from street addresses and even cellphone numbers. While the Australian industry has not displayed the same level of concern around the number 13 as some other countries, there are still streets, houses, and buildings in Australia that choose to omit the number.
The fear of Friday the 13th specifically is called paraskevidekatriaphobia, derived from the Greek "Paraskevi", meaning "Friday", or friggatriskaidekaphobia, derived from Old Norse "Frigg" combined with the Ancient Greek word for thirteen.
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Friday the 13th is considered an unlucky date
The number 13 is often considered unlucky, and this belief has led to some interesting behaviours. Many Westerners alter their behaviour on Friday the 13th, and some tall buildings in Australia skip the 13th floor, going straight from 12 to 14. However, the Australian industry hasn't displayed the same level of concern around the number 13 as some other countries.
The fear of the number 13 has a name: triskaidekaphobia. The fear of Friday the 13th, specifically, has its own rarely used word: paraskevidekatriaphobia. This fear is not universal; Italians fear Friday the 17th, and Greeks consider Tuesday the 13th unlucky.
The number 13's association with bad luck may have its roots in religion and mythology. In Christianity, Judas, the apostle who betrayed Jesus, was the 13th guest at the Last Supper. In Norse mythology, Loki was the 13th to arrive at a feast in Valhalla, where he tricked another attendee into killing the god Baldur.
The number 12 is often considered a "perfect" and complete number, so 13, which follows directly after, may be seen as lacking or unusual. The fear of 13 may also be linked to the fact that Friday is also associated with bad luck, as Jesus Christ was crucified on a Friday.
The idea that Friday the 13th is an unlucky date gained traction in the 19th and 20th centuries. In 1907, author Thomas Lawson released a novel called Friday, The Thirteenth, about a stockbroker who deliberately crashed the market on that date. A year later, in 1908, the New York Times ran a headline referencing Friday the 13th and potential terrors related to a political scuffle. The idea was further popularised by horror films, such as the 1972 film Friday the 13th: The Orphan and the successful Friday the 13th film series in the 1980s.
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Frequently asked questions
While the number 13 is considered unlucky in many Western countries, the Australian industry has not displayed the same level of concern. However, some Australians still avoid the number 13 when it comes to real estate and travelling.
The number 13 is associated with bad luck in Christianity and Norse mythology. In the Bible, Judas, the apostle who betrayed Jesus, was the 13th guest to arrive at the Last Supper. In Norse mythology, Loki was the 13th guest at a feast in Valhalla, where he tricked another attendee into killing the god Baldur.
While some councils around the world have banned the number 13 on their streets, this is not a common occurrence in Australia. Many streets and houses in Australia keep their number 13. However, some Australians avoid the number 13 when it comes to real estate and travelling. For example, some Australian buildings skip the 13th floor, and some people refuse to fly or stay in a hotel room on the 13th floor on Friday the 13th.


















