How to earn a billion dollars
The Blueprint for Becoming a Billionaire
Originally delivered as a presentation at the Oxford Union in June 2026.
Since the Oxford Union is essentially a gathering ground for future prime ministers, I decided to address a topic that politicians would benefit from understanding: the mechanics of how individuals actually become billionaires.
Whether you intend to lead a country or not, this insight is valuable. After all, if the political route doesn't pan out, you can simply aim for the billion-dollar mark instead.
My Perspective: The Y Combinator Experience
My expertise on this subject stems from the venture I co-founded with Jessica 21 years ago: Y Combinator. For those unfamiliar, YC operates as a hybrid between a traditional investment house and an educational academy for startup entrepreneurs.
Since our inception in 2005, we have provided funding to roughly 6,500 different ventures. Because launching a high-growth startup is the primary vehicle for wealth creation at this scale, I have effectively spent two decades coaching people on how to reach billionaire status. To date, about 30 of our alumni have achieved this, with many more currently on the path.
Challenging the "Impossible" Narrative
Recently, I was stunned to hear an American politician claim that earning a billion dollars is impossible. To me, this sounded like a skating coach asserting that a triple axel cannot be performed.
"It's impossible to get that rich without doing something bad without cheating in some way."
While she wasn't discussing the technical difference between annual income and capital gains, she was making a moral argument: that extreme wealth is inherently the result of dishonesty.
I encountered a counter-example almost immediately. I was speaking with a founder whose company was experiencing a monthly growth rate of 93%. When I pointed out that her personal net worth was increasing at that same staggering rate, it became clear that her success wasn't due to "cheating." Instead, it was the result of her and her co-founder working tirelessly to create a product that users genuinely loved, leading to organic, word-of-mouth expansion.
The Mathematics of Exponential Growth
Some critics argue that growing a few million dollars at 93% is fundamentally different from reaching a billion. However, the math proves otherwise.
If we take a conservative starting point of $2 million, the founder needs a 500x increase to hit the billion-dollar mark. We can calculate the time required using the following logic:
# Calculating months to reach 1 billion from 2 million at 93% monthly growth
start_value = 2000000
target_value = 1000000000
growth_rate = 1.93
months = 0
current_value = start_value
while current_value < target_value:
current_value *= growth_rate
months += 1
print(f"Months required: {months}")
As the calculation shows, a "few million" and a billion are not radically different when exponential growth is involved.
A More Conservative Scenario
To avoid accusations of using "unrealistic" numbers, let's look at a more modest growth rate of 15% per month over five years (60 months). We can express this using LaTeX:
The Financial Impact:
| Current Monthly Revenue | Growth Rate | Timeframe | Future Monthly Revenue | Annualized Revenue |
|---|---|---|---|---|
| $10,000 | 15% / mo | 5 Years | $44 Million | $526 Million |
If you maintain the typical founder's equity stake at this level of revenue, you are a billionaire. While growth usually fluctuates (faster in year one, slower by year four), starting in your early twenties makes it entirely plausible to hit this milestone by age thirty.
Deconstructing the Myth of Cheating
People assume cheating is necessary because they don't grasp the math of exponents. In reality, the equation only has two variables:
- The Growth Rate
- The Duration of that Growth
Neither of these requires dishonesty. Growing at 15% a month is a matter of product-market fit, not fraud. The duration of that growth is limited only by the market size. You cannot "cheat" your way into increasing the total global demand for a product.
The Path Forward: Creating Value
If you are only interested in politics, you can stop here. But if you actually want to achieve this level of wealth, you must focus on the core driver of growth: creating something so exceptional that users feel compelled to tell their friends.
This is why I always lead my meetings with founders by asking about their growth rate. It is the ultimate proxy for user satisfaction.
The Billionaire's Checklist:
- Identify a satisfiable need.
- Build a product that solves it better than anyone else.
- Achieve a consistent monthly growth rate.
- Scale until the market limit is reached.
The paradox of the market economy is that while it is incredibly difficult to find a need that isn't already being met—because competitors rush to fill every gap—that is exactly where the opportunity lies.