The year 1994 was a vintage year for high-growth company analysis. David Birch concluded that 3% of the fastest-growing companies, known as gazelles, created most of the new jobs in the U.S.
Also, Bruce Kirchhoff concluded that 4% of firms formed in 1977-78 started growing and hiring rapidly six years after being founded. And, David Storey concluded that 4% of startups that survived 10 years were responsible for 50% of new jobs in the overall economy.