IMDb entries with keyword "neo-noir" number 3,527 entries of all types.
Restricting this to feature films (movies or tv) gives 2,064 titles.
Adding the restriction to 1960-2019 gives 1,957 titles.
The IMDb count includes non-U.S. entries.
There is a large overlap in titles between the IMDb keyword-derived list and the U.S. aggregated list provided below.