some countries will have less participants due to various reasons
Economic reasons can be the main one, especially for poor countries, without a pandemic they are already limited with finances coupled with difficult times it will make it even more difficult for poor countries to get funds to finance their athletes to go to Japan to compete.
we have a good matches of game olympic for football , about six matches this wednesday, 21 july for women , and seven matchs for men those matchs will start next day after matches football of women or 22 july it remain some days for the start of football matches , i am sure that olympic games will be good and everyone will fun , for who like football specially and for sure who like specifie sports too whatever swimming , athletic and all other sports
I've never watched a women's football match, so don't know if there will be an interesting match for this sport, but for men's football it's for sure.