Churn rate (sometimes called attrition rate), in its broadest sense, is a measure of the number of individuals or items moving out of a collective over a specific period of time. It is one of two primary factors that determine the steady-state level of customers a business will support. The term is used in contexts, but is most widely applied in business with respect to a contractual customer base. For instance, it is an important factor for any business with a subscriber-based service model, including mobile telephone networks and pay TV operators. The term is also used to refer to participant turnover in peer-to-peer networks.
The phrase is based on the English verb churn, meaning "to agitate or produce violent motion".
Famous quotes containing the words churn and/or rate:
“the churn of stale words in the heart again
love love love thud of the old plunger”
—Samuel Beckett (1906–1989)
““Terence, this is stupid stuff:
You eat your victuals fast enough;
There can’t be much amiss, ‘tis clear,
To see the rate you drink your beer.”
—A.E. (Alfred Edward)