A search on Scopus shows that the 2020 world champion is D. Baleanu that co-authored 343 publications this year, almost one publication per day. See its yearly performance below:
2020.................343 Scopus publications
2019.................168
2018.................166
2017.................104
2016...................88
2015...................79
2014...................76
Maybe in 2021 he can manage to put his name in more than one Scopus publication per day !
PS - The 2020 second most prolific world champion scientist is Frede Blaabjerg, https://www.scopus.com/authid/detail.uri?authorId=7004992352 with already 222 Scopus publications. But please note that this is far from its best performance because in 2018 he co-authored 308 Scopus publications ! Also note that these scientists work 23 hours per day !
