There were 43,516 knife crime offences in the 12 months ending March 2019.
This is an 80% increase from the low-point in the year ending March 2014, when there were 23,945 offences, and is the highest number since comparable data was compiled.
The numbers coincide with the rise in refugee immigrants. (80% influx rate since March 2014).
These statistics do not include those from Greater Manchester Police because of data recording issues.
Out of the 44 police forces, 43 recorded a rise in knife crime since 2011.