View source for Down smash/Knockback chart

===NA/AUS/EUR===
{| class="wikitable sortable"
|-
! Rank || Character ||{{rollover|Strongest Hitbox Damage|The amount of damage the strongest hitbox deals|y}}||{{rollover|Strongest Hitbox angle|The launch angle the strongest hitbox sends the opponent|y}}||{{rollover|Base knockback|The knockback velocity the strongest hitbox has at 0%|y}}||{{rollover|Knockback scaling|How much the knockback velocity of the strongest hitbox increases as the opponent's percent increases|y}}||{{rollover|Strongest Hitbox KO percentage|The earliest percent the strongest hitbox KOs Mario from the center of Dream Land on the ground|y}}
|-
|1.|| {{SSB|Pikachu}} || 16% || 361 || 30 || 120 || 86% 
|-
|2.|| {{SSB|Link}} || 16% || 40 || 35 || 100 || 102% 
|-
|3.|| {{SSB|Donkey Kong}} || 19% || 60 || 30 || 100 || 104% 
|-
|4.|| {{SSB|Mario}} || 17% || 361 || 20 || 100 || 109% 
|-
|4.|| {{SSB|Luigi}} || 17% || 361 || 20 || 100 || 109%
|-
|4.|| {{SSB|Ness}} || 19% || 361 || 0 || 100 || 109%
|-
|7.|| {{SSB|Yoshi}} || 14% || 30 || 20 || 105 || 114%
|-
|7.|| {{SSB|Jigglypuff}} || 16% || 40 || 20 || 100 || 114% 
|-
|9.|| {{SSB|Kirby}} || 18% || 34 || 30 || 75 || 126% 
|-
|10.|| {{SSB|Captain Falcon}} || 16% || 60 || 25 || 100 || 131% 
|-
|11.|| {{SSB|Fox}} || 14% || 25 || 35 || 80 || 138%
|-
|12.|| {{SSB|Samus}} || 16% || 60 || 35 || 80 || 162%
|}