The Hidden Mathematics of 100,000 Birth Charts
We generated 100,000 random dates and times of birth and ran every one through the same Swiss-grade astrology engine that powers AstroMedha. The birth dates are synthetic. Every calculation is real. The result is an honest look at the mathematics of the chart itself: how often each nakshatra, rashi, dasha and numerology number actually occurs when you let the sky decide.
One thing this study is not: a claim about anyone's life. We measured the structure of 100,000 charts, not the lives of 100,000 people. Astrology describes tendencies, and the numbers below are about how the math falls, nothing more.
1. Right Now, About 1 in 4 People Are in Sade Sati
Across the 100,000 charts, 24.9% are currently in Shani Sade Sati, the seven and a half year Saturn passage over the 12th, 1st and 2nd from the natal Moon. That is almost exactly one in four people alive at any moment, because Saturn sits across three of the twelve Moon signs at once. So if this season feels heavy, you are in very large company.
Are you one of them right now? Check your current Saturn period with the free Dasha Calculator.
2. Nearly 1 in 4 Are Born Under a Gandmool Star
22.3% of charts fall in a Gandmool nakshatra (Ashwini, Ashlesha, Magha, Jyeshtha, Moola or Revati), the six junction stars ruled by Ketu and Mercury. That matches the math exactly: six of the twenty-seven nakshatras. Gandmool has a fearsome reputation, but when this many people share it, it is clearly a feature of the sky, not a curse.
3. The Moon Spreads People Remarkably Evenly Across the 27 Stars
You might expect some birth stars to be far more common than others. They are not. Every nakshatra lands between 3.6% and 3.8% of the time, close to the even share of about 3.7%. The Moon is a fair dealer.
The slightly more common birth stars:
| Most common nakshatra | Share |
|---|---|
| Anuradha | 3.8% |
| Purva Phalguni | 3.8% |
| Jyeshtha | 3.8% |
| Ashlesha | 3.8% |
| Pushya | 3.8% |
And the slightly rarer ones:
| Rarest nakshatra | Share |
|---|---|
| Krittika | 3.6% |
| Rohini | 3.6% |
| Uttara Ashadha | 3.6% |
| Revati | 3.6% |
| Moola | 3.6% |
4. Sagittarius Is the Most Common Moon Sign
By Vedic (sidereal) reckoning, the Moon signs come out almost even, led narrowly by Scorpio at 8.5% and trailed by Taurus at 8.1%.
| Moon sign (rashi) | Share |
|---|---|
| Scorpio | 8.5% |
| Cancer | 8.5% |
| Virgo | 8.5% |
| Leo | 8.4% |
| Aries | 8.3% |
| Libra | 8.3% |
| Pisces | 8.3% |
| Gemini | 8.3% |
| Aquarius | 8.3% |
| Sagittarius | 8.3% |
| Capricorn | 8.2% |
| Taurus | 8.1% |
5. No Single Life Period Dominates the Start of Life
Which mahadasha you are born into is set by your birth nakshatra. Across 100,000 charts the nine planetary periods come out astonishingly even, each within a whisker of 11%. Nobody is statistically destined to start life under one planet more than another.
| Mahadasha at birth | Share |
|---|---|
| Saturn | 11.3% |
| Rahu | 11.2% |
| Mercury | 11.2% |
| Venus | 11.2% |
| Moon | 11.1% |
| Mars | 11.1% |
| Ketu | 11.1% |
| Jupiter | 11.0% |
| Sun | 10.9% |
6. Birth Number 1 Is the Most Common Driver
In Chaldean numerology your Mulank (birth number) comes from the day you were born. Because more calendar days reduce to some numbers than others, the spread is genuinely uneven: Mulank 1 leads at 13.2%, while Mulank 8 is the least common at 9.8%.
| Birth number | Share |
|---|---|
| Mulank 1 | 13.2% |
| Mulank 3 | 13.0% |
| Mulank 4 | 11.5% |
| Mulank 6 | 10.2% |
| Mulank 5 | 9.9% |
| Mulank 2 | 9.9% |
| Mulank 9 | 9.8% |
| Mulank 8 | 9.8% |
| Mulank 7 | 9.7% |
Two rarer signatures also showed up: 3.03% carry a master number (11, 22 or 33) as their birth number, and 13.08% carry a karmic-debt number (13, 14, 16 or 19) behind their birth day.
7. The Rarest Numerology Combination
Pair the Mulank (driver) with the Bhagyank (destiny number) and most pairings are uncommon. The single most frequent pairing was Mulank 3 with Bhagyank 5 at 1.53% of charts. The rarest that appeared at all was Mulank 11 with Bhagyank 2, in just 0.07% of charts, roughly four people in ten thousand.
How We Did This (Methodology)
We drew 100,000 random birth dates between 1970 and 2008, each with a random time of day, and computed every chart with the Lahiri sidereal ayanamsa on a Swiss-grade ephemeris, the same engine AstroMedha uses for live readings. Nakshatra, rashi, dasha and numerology depend on the birth date and time, not the birth place, so these distributions hold for any birth population. The run is seeded, so the numbers here are reproducible.
This is a study of chart structure. It tells you how often the sky produces each pattern. What any pattern means for a real person depends on the whole chart read together, which is what a personal reading is for.
Curious where you fall in all of this? Create your free chart and see your own nakshatra, rashi, dasha and numbers in under a minute.
Common questions
- Is this based on real people's birth data?
- No, and that is deliberate. We generated 100,000 synthetic birth dates and times, then ran each through a real Swiss-grade astrology engine. The dates are random, the astrological calculations are genuine. It measures the mathematics of chart structure, not anyone's private data or life outcomes.
- What percentage of people are in Sade Sati right now?
- In this study 24.9% of charts are currently in Shani Sade Sati, very close to one in four. That is because Saturn transits across three of the twelve Moon signs at a time. You can check your own with the free Dasha Calculator.
- What is the most common nakshatra and Moon sign?
- The birth stars come out remarkably even, all between about 3.6% and 3.8%, led narrowly by Anuradha. The most common Moon sign was Scorpio at 8.5%.
- What is the most common birth number in numerology?
- Mulank 1 was the most common birth number at 13.2%, because more calendar days reduce to 1. Around 3.03% carry a master number and 13.08% a karmic-debt number.
- Does my birth place change these numbers?
- For nakshatra, rashi, dasha and numerology, no. Those depend only on your date and time of birth, so the distributions hold anywhere. Your birth place matters for the ascendant and house-based features, which this study does not cover.
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