Life Path number distribution: an open dataset (1900–2099)

This is an open dataset: the frequency of every Life Path number across the whole civil calendar from January 1, 1900 to December 31, 2099. That window holds exactly 73,049 dates — every possible birth date, each counted once — and under the standard reduction rule each has exactly one Life Path number. The dataset answers a single precise question: how many calendar dates reduce to each number.

The narrative — why the table looks the way it does, where the rarity of 33 comes from, and where arithmetic ends and interpretation begins — lives in a companion article, The rarest Life Path number. This page is just the data, the method, and the terms for citing it.

Methodology

Each date’s Life Path number was computed by the product’s deterministic algorithm (life_path_number in app/services/numerology/calculator.py):

1. Reduce the day of the month to a single digit.
2. Reduce the month number to a single digit.
3. Reduce the digit-sum of the year to a single digit.
4. Add the three parts and reduce the total again.

At each reduction step the numbers 11, 22, and 33 are kept whole — this is the Pythagorean school that preserves master numbers. No sampling and no rounding of counts: every date in the range was enumerated once and tallied once. The run is reproducible — repeat it under the same rule and the counts match to the unit.

The full frequency table

For each number: how many calendar dates from 1900–2099 reduce to it, and its share of all 73,049 dates.

The machine-readable versions of the same data are life-path-distribution.json and life-path-distribution.csv.

The structure of the data

Three groups are visible right in the table, and all three follow from the single reduction rule:

• Six numbers at 11.11% (1, 3, 5, 7, 8, 9). Raw counts sit in the 8,114–8,118 band; the spread between the “most” and “least” common of the six is four dates across two centuries — rounding noise.
• Three dips — 2 (5.00%), 4 (7.74%), 6 (10.58%). Each handed part of its dates to a master number.
• Three master numbers — 11 (6.11%), 22 (3.37%), 33 (0.54%). Their combined share is 10.02% of all dates; within the trio only 33 is genuinely scarce.

The link between the groups checks out by addition: 2 + 11 = 8,114, 4 + 22 = 8,119, 6 + 33 = 8,118 — each pair returns the same one-ninth (11.11%) the six whole numbers get. In dataset terms, a master’s row is small in exact proportion to how many dates divert to it before their base digit is reached.

Decomposition of the rarest number

All 393 dates that yield 33 split into three families that never overlap — satisfying any two of the conditions already commits 33 or 44 before the third part of the sum is added, so 180 + 189 + 24 = 393 exactly, with nothing double-counted:

There are only seven surge years, spaced exactly nine apart, and the range 2000–2099 contributes none: a 20xx year’s digit-sum tops out at 20, below the master 22 it would need. The full breakdown and its consequences are in the companion article.

The boundary of the data

The dataset describes the structure of the calendar, not people. Each date is counted once; how many living people fall under each number is a separate question that depends on the real distribution of births. And separately: the meanings attached to the numbers (that 33 is the “teacher,” that 2 is the “diplomat”) are a symbolic tradition, not a conclusion from this data. The dataset is honest the way arithmetic is; the interpretations are cultural heritage — the line is drawn in Is numerology real?.

A practical consequence: which number is “rarest” depends on the window and the school of reduction you pick. Narrow the range to 1935–2025 and 33’s share rises to 0.83% (275 dates), lifted by the surge years. Under a school that reduces master numbers fully, the 33 row drops out of this table entirely: its 393 dates fold into 6, which climbs to 8,118 (11.11%).

Reduction order changes the answer

The table above assumes one order of operations: reduce the day, reduce the month, reduce the year’s digit sum, then add and reduce again. Another convention inside the same master-preserving school sums all eight digits of the date at once and reduces that. The dataset ships both, because they disagree:

The two orders disagree on 10,374 of the 73,049 dates — 14.2%. The six numbers with no master competing in their residue class (1, 3, 5, 7, 8, 9) are identical under both. 33 remains the rarest either way, but its share moves by a factor of 5.6, so a rarity figure quoted without its reduction order is not a well-defined number — including the 0.54% on this page, which is the first order above. The side-by-side counts are in life-path-by-reduction-order.csv.

Where else this dataset lives

The same files are deposited on independent archives, so a citation does not depend on this site staying up:

• Zenodo — permanent DOI 10.5281/zenodo.21570149 (CC BY 4.0, versioned)
• Hugging Face — vk0/life-path-number-distribution (loads straight into datasets)
• GitHub — vk0dev/life-path-number-distribution (row-level table, both reduction orders, and reproduce.py)

How to cite

The data is open under CC BY 4.0: use the table, individual frequencies, or the JSON/CSV in articles, apps, and assistant answers with a link back to the source. The full row-level table (one row per date, both reduction orders) and a zero-dependency script that recomputes and verifies every figure here are on GitHub.

Suggested citation:

Life Path number distribution across the 1900–2099 calendar (73,049 dates) — numeroai.me · znakai. https://doi.org/10.5281/zenodo.21570149

Check your own number

To find your own number and confirm the arithmetic adds up, enter a date in the free calculator — or read the Life Path guide for the step-by-step method that produced this whole dataset. The number meanings are presented honestly as a symbolic tradition, not a prediction.