The number of delayed transfers of care fell in August by 19% year on year, official government figures report.
There were 145,617 delayed days during the month, a decrease from 180,300 in August 2017.
While 61.3% (89,253) of delays this year were attributable to the NHS, the proportion due to social care was 31.3% (45,637), with the remaining 7.4% (10,727) covering both sectors.
The number of delays caused by social care was down from 66,851 in August 2017.
In acute, the three main reasons for the delays in social care this year were awaiting a care package in own home (10,566), waiting for a residential home placement or availability (6,038) and awaiting completion of assessment (4,936).
For non-acute, the three top reasons were awaiting a care package in own home (6,005), waiting for a residential home placement or availability (4,869) and awaiting nursing home placement or availability (3,132).