Here Oricon Manga sales from November 19, 2018 to May 19, 2019!!!
Top 10 Best Selling Manga Series First Half 2019
1 - One Piece (5,015,325 copies).
2 - The Promised Neverland (4,180,039 copies).
3 - Kingdom (4,044,339 copies).
4 - Boku no Hero Academia (3,148,345 copies).
5 - Go-Tōbun no Hanayome (2,940,013 copies).
6 - Shingeki no Kyojin (2,814,044 copies).
7 - Tensei Shitara Slime Datta Ken (2,527,807 copies).
8 - Haikyû!! (2,451,633 copies).
9 - Kaguya-sama: Love Is War (2,432,345 copies).
10 - One Punch-Man (1,814,307 copies).
Top 10 Best Selling Manga Volumes First Half 2019
1 - One Piece 91 (2,228,644 copies).
2 - One Piece 92 (1,915,195 copies).
3 - Shingeki no Kyojin 27 (1,246,386 copies).
4 - Shingeki no Kyojin 28 (964,081 copies).
5 - Kingdom 53 (793,975 copies).
6 - Boku no Hero Academia 21 (763,647 copies).
7 - Kingdom 54 (735,732 copies).
8 - The Promised Neverland 12 (697,567 copies).
9 - Boku no Hero Academia 22 (692,149 copies).
10 - Sangatsu no Lion 14 (679,660 copies).
Last year sales: http://apforums.net/showthread.php?t=49629