Snakes in the Halls of Power
An original analysis of 256 verified famous birthdays
computed with an astronomical Chinese calendar engine reveals a statistically significant anomaly:
Snake-year politicians outnumber their expected share by more than two to one.
One in five politicians in our dataset was born in a Snake year.
Of the 43 politicians and heads of state in our curated database, eight (18.6%) were born in a year of the Snake —
the sixth animal of the twelve-sign Chinese zodiac. Under a uniform distribution, we would expect roughly 8.3% (about 3.6 people).
The observed rate is 2.23 times the baseline, with a z-score of 2.44 — past the conventional threshold for
statistical significance at the 5% level.
The Snake occupies a peculiar place in Chinese metaphysics. Unlike the Dragon (imperial, celestial) or the Tiger (martial, frontal),
the Snake is associated with strategy, patience, and indirect power — qualities that map onto the day-to-day texture of
political life more closely than they do onto battlefield command or revolutionary spectacle. Whether this cultural reading
explains the data, or merely rationalizes it after the fact, is a question we cannot answer with statistics alone.
The Snake-year politicians
These eight individuals span more than six decades of 20th-century statecraft, four continents, and every major ideological camp
of the modern era. What they share is a birth year whose heavenly stem and earthly branch resolved to the Snake (巳).
because birth times are not reliably published for most public figures. Pillars were computed with the
sxtwl astronomical lunar-calendar library,
which uses the Lìchūn (立春, “Beginning of Spring”) solar term — not the lunar new year date — as the year boundary.
Read our full methodology →
Zodiac distribution across 256 famous people
Before drilling into politicians, we tested whether the twelve Chinese zodiac signs appear in our famous-person dataset with the
frequency we would expect by chance. If births were uniformly distributed across years, each sign should claim roughly 1/12 ≈ 8.3%
of the sample. A chi-square goodness-of-fit test on the full 256-person sample returns
χ² = 20.00 with 11 degrees of freedom, just past the critical value of 19.68 (p ≈ 0.045). The uniform-distribution
null hypothesis is marginally rejected.
Looking sign by sign, three patterns stand out:
The Dragon and Ox lead the sample at 1.50× and 1.45× of baseline — intuitive enough, given the
cultural prestige attached to the Dragon in Chinese-speaking communities and the diligence historically associated with the Ox.
The Tiger, perhaps surprisingly, sits at the bottom at just 0.56×. The Snake sits near the middle overall —
its over-representation is concentrated almost entirely inside the politics category, not in the general population of famous people.
Which zodiac signs cluster in statecraft?
When we isolate the 43 politicians and heads of state, the picture sharpens. The Snake jumps to the top of the ranking at 2.23×
baseline, followed by the Dragon and a cluster of mid-pack signs.
| Zodiac | Count | Share | vs. Baseline |
|---|---|---|---|
| Snake | 8 | 18.6% | 2.23× |
| Dragon | 6 | 14.0% | 1.67× |
| Rat | 5 | 11.6% | 1.40× |
| Horse | 5 | 11.6% | 1.40× |
| Pig | 5 | 11.6% | 1.40× |
| Ox | 4 | 9.3% | 1.12× |
| Dog | 3 | 7.0% | 0.84× |
| Tiger | 2 | 4.7% | 0.56× |
| Rabbit | 2 | 4.7% | 0.56× |
| Monkey | 2 | 4.7% | 0.56× |
| Rooster | 1 | 2.3% | 0.28× |
| Goat | 0 | 0% | 0.00× |
Notably, not a single Goat-year politician appears in our 43-person political sample — an absence that, in a
larger sample, would deserve its own investigation. We flag this honestly as a likely artifact of small-sample curation rather
than a real-world signal.
The eight Snakes span all five elements
A quirk worth recording: when we compute the Day Master (日主, the heavenly stem of the day pillar) for each of the eight Snake-year
politicians, the resulting five-element distribution is strikingly complete.
All five elements (五行) appear in a sample of just eight people. We make no metaphysical claim on the basis of this — the
expected coverage in a random sample of eight Day Masters drawn from a 10-stem distribution is itself close to five, so this is
not in itself anomalous. But it does illustrate, in human terms, that the Snake archetype expresses itself through very different
elemental personalities: Kennedy’s precision (Metal), Gandhi’s adaptability (Wood), Blair’s rhetorical fire (Fire),
Sanders’s endurance (Earth), and Macron’s fluid positioning (Water).
How we computed the numbers
Source dataset. 404 famous people curated from biographical records, organized by Chinese zodiac animal and professional category. 256 of these have a complete birth date (year, month, day) within the 1900–2099 range and form the working sample for this study.
Calendar engine. Pillars were computed with sxtwl v2.0.7, an open-source astronomical lunar-calendar library that resolves each Gregorian date to its Chinese solar-term-based Year, Month, and Day pillars. The year boundary is set at Lìchūn (立春, the solar term that opens spring), not the lunar new year date — a choice that matters for people born in January or early February.
Pillar coverage. Three of four BaZi pillars (Year, Month, Day) are computed. The Hour pillar is omitted because reliable birth times are not available for the vast majority of public figures. Day Master (日主) — the centerpiece of BaZi personality analysis — is fully covered.
Industry tagging. Each person is assigned to one of six broad industry buckets (Arts & Entertainment, Politics & Leadership, Sports, Business & Tech, Science & Innovation, Other) based on their primary public role.
Statistical tests. We use a chi-square goodness-of-fit test against a uniform null (each sign expected at 1/12 of the sample) and z-tests for single-proportion comparisons. We report z-scores and significance thresholds transparently; we do not silently drop “inconvenient” categories.
The full dataset and reproduction script (famous_bazi_stats.py) are available on request.
See our methodology page for the four-layer pipeline
(astronomical engine → classical texts → multi-model synthesis → human editorial review) that governs all 12Zodiacs content.
Limitations, honestly stated
We want to be clear about what the numbers can and cannot support.
Sample size. 256 people, of whom 43 are politicians, is small for the kinds of claims popular astrology
sometimes makes. The Snake finding has a z-score of 2.44, which clears the conventional p<0.05 bar — but it would not
survive a strict multiple-comparisons correction across all twelve signs, and we have not applied one. Treat the result as
suggestive, not conclusive.
Curation bias. Our famous-person list is curated by humans, not sampled randomly from the global population.
If the curators (consciously or not) favored Snake-year politicians, the pattern is an artifact of selection rather than a
property of the world. The dataset is also Western-skewed (185 of 256 people are American or British), which limits
cross-cultural generalization.
No causal mechanism. We report a statistical association. We do not claim that being born in a Snake year
causes political success, nor that the Chinese zodiac has any influence on personality or life outcomes. Cultural
self-fulfilling prophecies, parental investment patterns, and pure coincidence are all plausible non-mystical explanations.
The Hour pillar is missing. Day Master alone is a meaningful BaZi component, but a complete chart requires
all four pillars. Any conclusion that depends on full-chart structure (格局, “patterns”) is out of reach for this study.
Replication needed. A finding becomes real when an independent dataset confirms it. We welcome researchers
to test the Snake-politician anomaly on their own samples using our open computational method.
Cite this study
All 12Zodiacs statistical insight reports are released under an open-data principle. You are free to quote, remix, and build on
this analysis provided you cite the source and link back. Suggested citation:
Suggested citation
12Zodiacs Editorial Team. (2026). "Snakes in the Halls of Power: A Statistical Anomaly
in 256 Famous Chinese Zodiac Birth Charts." Statistical Insight Vol. 01.
https://12zodiacs.com/research/snakes-in-power/
Dataset and reproduction code available on request.
See our Open Data for the AI Era commitment.
12Zodiacs publishes Chinese metaphysics content for cultural education and entertainment. Statistical findings on this site
describe patterns in curated datasets; they are not predictive of any individual’s character, abilities, or life trajectory.
BaZi and the Chinese zodiac are living cultural traditions, not scientific instruments. For personal decisions, consult
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