My subjective prediction based on my understanding of athletes's status
People's Republic of China: 398
(Archery - 6, Artistic Swimming - 8, Athletics - 55, Badminton - 16, Basketball - 12, 3x3 Basketball - 8, Boxing - 9, Breaking - 3, Slalom Canoe - 3, Sprint Canoe - 18, BMX - 2, Mountain Biking - 2, Road Cycling - 3, Track Cycling - 8, Diving - 9, Equestrian - 2, Fencing - 10, Field Hockey - 16, Golf - 4, Artistic Gymnastics - 10, Rhythmic Gymnastics - 6, Trampoline - 4, Judo - 6, Modern Pentathlon - 4, Rowing - 25, Sailing - 13, Shooting - 22, Skateboarding - 2, Sport Climbing - 6, Swimming - 42, Table Tennis - 6, Taekwondo - 6, Tennis - 7, Triathlon - 1, Indoor Volleyball - 12, Beach Volleyball - 4, Water Polo - 11, Weightlifting - 6, Wrestling - 11)