On November 28th, Ministry of Health, Labour and Welfare reported the number of demographic data in 2018. According to it, top 10 causes of death in 2018 are the below. Senility moved up to the 3rd place from 4th. Suicide moved down to the 10th place from 9th.
A market research company Oricon published the top 10 ranking of best-selling manga in 2019 (survey period: from 2018 Nov. 19 to 2019 Nov. 17). Surprisingly "Demon Slayer: Kimetsu no Yaiba" series which were not listed in the 2018 ranking jumped up to the top. This year, the anime of "Demon Slayer: Kimetsu no Yaiba" was aired, and after that its manga sales is increasing rapidly. All of books (volume 1- 17) are listed in the top 50 books ranking (please see below).
The long term champion "ONE PIECE" series dropped to the second place. However, in terms of the ranking by book (by volume), "ONE PIECE" won first place for 12 consecutive years.