Research and Statistics Supporting The Fourth Generation Formula
This is some really boring stuff to read, that's why I put it at the end, but I'm sure some people will be interested in the data. This section is for you!
Starting a business is challenging, and maintaining it over the years (let alone across generations) is even more daunting. A breakdown was provided that estimates U.S. business survival rates and family business succession rates as follows: out of 5 million startups each year, about 80% survive the first year (meaning 20% fail), 50% survive five years, and roughly 30% survive ten years; for family firms, around 30% of those survivors make it to a second generation, 30% of those to a third, and 30% of those to a fourth generation.
In this report, we verify these figures against recent data and correct any outdated or misleading statistics. We draw on the latest data from sources like the U.S. Bureau of Labor Statistics (BLS), the Small Business Administration (SBA), and family business research institutes. Clear tables are included to summarize survival rates over time and across generations.
In recent years, the U.S. has indeed seen a surge in new business creation. For example, over 5 million new business applications were filed in 2023, a record high, with around 5.2 million more in 2024. Over the past five years, new business starts have averaged roughly 4.7 million per year. This confirms the scale (≈5 million) cited in the breakdown.
Data from the BLS (via its Business Employment Dynamics statistics) show a clear pattern of diminishing survival as businesses age:
Sources: U.S. Bureau of Labor Statistics data on business survival, summarized by the SBA and other analysts.
For instance, about 21.5% of businesses fail within the first year, 48.4% have failed by year five, and 65.1% by year ten, according to the latest BLS cohort analysis. These figures correspond to roughly 78.5% 1-year survival, 51.6% 5-year survival, and 34.9% 10-year survival. Only about 25% of businesses last 15 years or more.
As shown above, the math in the original breakdown is mostly on target for general survival rates – with one clarification: by year ten, roughly 65% of businesses have closed (about 35% survive), not a full 70% failure rate. This updated ten-year survival rate (≈35%) aligns with BLS data through 2023. The one-year and five-year figures (≈80% and 50% survival, respectively) are accurate and well-supported by current data.
It's worth noting that survival rates vary by industry. For example, healthcare and education businesses tend to have above-average five- and ten-year survival rates (often 40%+ still alive at 10 years), whereas industries like restaurants and retail have lower survival (only ~20% at 10 years). But across all sectors combined, the ~50% five-year and ~34% ten-year survival benchmarks hold true.
Passing a business from the founder to subsequent generations is notoriously difficult. The breakdown assumed a 30% survival rate at each generational handoff (Gen 1 → Gen 2, Gen 2 → Gen 3, etc.), resulting in 450,000 second-generation businesses out of 1.5 million ten-year survivors, then 135,000 third-generation, and 40,500 fourth-generation. We need to compare this to research on family-owned business succession:
It is commonly said that only about 30% of family-owned businesses successfully transition to the second generation (i.e. continue under family ownership/management after the founder retires). Some studies put this figure a bit higher – for instance, one report found that about 40% of U.S. family businesses make it to a second-generation – but roughly one-third is a widely cited estimate.
Approximately 12–13% of family businesses survive into the third generation. In other words, of all family firms started, only about one in eight will still be run by the founder's grandchildren (or third-generation family). This is much lower than the 30% figure the breakdown assumed for a second generational handoff.
Only around 3% of family businesses make it to a fourth generation (or beyond). This is an almost vanishingly small fraction – roughly 1 in 30 family firms – that continue to operate under family control into the great-grandchildren's era.
These statistics are often summarized as the "30-13-3 rule" – only 30% make it to the second generation, 13% to the third, and 3% to the fourth. This rule of thumb originated from a 1980s study and has been borne out anecdotally over decades. Recent family business surveys continue to report similar figures.
The implication is that each successive generational transfer is an uphill battle, with a steep drop-off in continuity beyond the founder's generation.
It's important to clarify that the original breakdown's math for generational survival (multiplying 30% each time) was mathematically correct, but it assumed a constant 30% survival at each generational handoff. In reality, the percentage of businesses that endure drops at each generation, rather than staying at 30%. By the third to fourth generation, the odds of a family firm remaining in the family are only a few percent. Thus, the 450,000 → 135,000 → 40,500 progression given (from 5 million startups) is more an illustration than a reflection of actual observed percentages. If we applied the more accurate succession rates to the scenario of 5 million startups, the numbers would likely be even lower by the 3rd and 4th generation (since only a subset of those 5 million were family-run to begin with, and only ~3% of family firms reach Gen 4). The key takeaway is that surviving long enough to become a multi-generational business is rare.
The survival rate figures in the breakdown are broadly consistent with current U.S. data, with minor adjustments. Roughly 80% of new businesses survive one year, ~50% survive five years, and ~34–35% survive ten years in the U.S. The arithmetic in the example (out of 5 million startups: 4 million after year 1, 2.5 million after year 5, 1.5 million after year 10) is basically correct, though using 1.75 million at year 10 (35% survival) would reflect the latest BLS findings more closely than 1.5 million (30%).
When it comes to generational transfer in family businesses, the breakdown's use of 30% survival each generation is somewhat misleading. In reality, about 30% of family businesses make it to a second generation, ~12–13% to a third, and only ~3% to a fourth. The math in the example (450k → 135k → 40.5k) mathematically represents a 30% carryover each time, but current family business research shows a sharper decline with each generation. In short, most businesses do not survive long term, and very few survive across multiple generations under family ownership.
By updating these statistics with authoritative sources (BLS for general survival, and family business institutes for succession), we ensure a realistic understanding: building a lasting business is difficult, and passing it on through generations is rarer still. The figures may vary slightly by source or definition. Still, the narrative remains consistent – entrepreneurs face steep odds over time, and sustained intergenerational success is the exception rather than the norm.
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