Set for Life Clustering Distribution

  Number Frequency   Overdue Numbers   Odd/Even Numbers   High/Low Numbers   Sum and Root Sum   Hot and Cold Numbers   Most Common Pairs   Most Common Triplets   Most Common Quadruplets   Most Common Quintupletss   Mean, STDEV, and Range Trend   Mean Distribution   Range Distribution   STDDEV Distribtion   IQR Distribution   Clustering Distribution
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  Number Frequency   Overdue Numbers   Odd/Even Numbers   High/Low Numbers   Sum and Root Sum   Hot and Cold Numbers   Most Common Pairs   Most Common Triplets   Most Common Quadruplets   Most Common Quintupletss   Mean, STDEV, and Range Trend   Mean Distribution   Range Distribution   STDDEV Distribtion   IQR Distribution   Clustering Distribution

This page explores how often drawn numbers appear close together or in consecutive sequences. It helps us see whether number grouping occurs as expected in a random lottery environment.

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Last 75 draws
From Sep. 23, 2025 To Dec. 6, 2025

Histogram of Number Clustering

The histogram of number clustering measures the typical spacing between consecutive numbers in lotto draws. Each bin represents a range of average gaps, showing whether numbers tend to cluster closely together or spread evenly across the draw. This histogram helps analysts detect patterns in number spacing, complementing other perspectives such as sums and ranges.

The histogram of average gaps between consecutive numbers in lotto draws reveals that the most frequent gap interval is 7 with 5 occurrences, suggesting a strong clustering in this interval. In contrast, the least frequent gap interval is 1, 2, 3 with 0 occurrences, showing it is rarely observed. This indicates a noticeable concentration of draws around certain gap intervals. Overall, the distribution shows clustering around specific gap intervals, indicating that draws tend to gravitate toward these values.

Format Changes in Australia's Set For Life Lottery

Since its inception in August 2015, Australia's Set for Life lottery has undergone significant changes to enhance gameplay and increase winning opportunities.

Period Format Supplementary Nos.
August 2015 - March 22, 2020 8 numbers from a pool of 37 (8/37) 2 numbers from the same pool.
March 23, 2020 - Present 7 numbers from a pool of 44 (7/44) 2 number from the same pool

Since its launch in August 2015, the Australian Set for Life lottery has undergone notable changes aimed at improving gameplay and enhancing player experience. Initially, players were required to select 8 numbers from a pool of 1 to 37. Each draw produced 8 winning numbers and 2 supplementary numbers.

On March 23, 2020, significant revisions were introduced. The format changed to selecting 7 numbers from a larger pool of 1 to 44, and each draw now produces 7 winning numbers and 2 supplementary numbers. The number of prize divisions expanded to eight, with players now able to win a prize by matching as few as 3 main numbers and 1 supplementary number. These changes also improved the overall odds of winning a prize, shifting from 1 in 59 to 1 in 50. Overall, the modifications were designed to create more frequent and appealing prize opportunities for participants.

How Australia's Set for Life Lotto Format Changes Affect Your Number Strategy.

These format changes have a direct impact on statistical analysis. Mixing frequency data across different formats is not advisable because each version of the game has a different number pool and probability structure.

For example, a number that appeared less frequently in the 8/37 format may have done so due to lower individual draw probability, but that same frequency can be misleading in the 7/44 formats.

Therefore, for meaningful analysis, it’s essential to treat each format as its own distinct dataset. Analyzing trends or frequencies should be restricted to results from within the same format period, especially if the goal is to inform number selection in the current game structure.

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