Completeness of Old Parish Registers in the 1700s

Question

In England, local churches were required to keep registers of all baptisms, marriages and burials. Are there any studies that show how complete these records generally were, in particular in relation to the 1700s.

Answer 1

This is a certainly tricky question, however their have being many studies of the baptisms,marriages,deaths for one The east lake church history: http://www.eastleake-history.org.uk/church-records.html

This may help, as bill one of the priests donated 20 years discovering the truths of the church he has discovered before the 1700 and all the way to the year 1901.