Source: U.S. Census Bureau  

Release: Business Formation Statistics  

Units:  Number of Quarters, Not Seasonally Adjusted

Frequency:  Quarterly

The Business Formation Statistics are now released on a monthly basis, and the quarterly series will no longer be updated. See BFDUR4QTOTALNSAIN for an alternative.

A measure of delay between business application and formation, measured as the average duration (in quarters) between the quarter of business application and the quarter of business formation, conditional on business formation within four quarters. These series span the same period as https://fred.stlouisfed.org/series/BF4QNSAIN.