2018 BWF World Championships qualification

These are the lists of entries of 2018 BWF World Championships (World Badminton Championships) qualification.

Events
This event holds men's singles and doubles, women's singles and doubles, and mixed doubles.

Number of players/member association quota
This event's total limit of eligibility players is 400 players, the following charts are the rules and the distribution.

Men's singles
Due to the phase 2 updated by BWF, the following chart is the invitation results.
 * Players who ranked from 1 to 8, whose association can nominate players for 4.
 * Players who ranked from 9 to 24, whose association can nominate players for 3.
 * Players who ranked from 25 to 150, whose association can nominate players for 2.

Women's singles
Due to the phase 2 updated by BWF, the following chart is the invitation results.
 * Players who ranked from 1 to 8, whose association can nominate players for 4.
 * Players who ranked from 9 to 24, whose association can nominate players for 3.
 * Players who ranked from 25 to 150, whose association can nominate players for 2.

Men's doubles
Due to the phase 2 updated by BWF, the following chart is the invitation results.
 * Players who ranked from 1 to 8, whose association can nominate players for 4.
 * Players who ranked from 9 to 24, whose association can nominate players for 3.
 * Players who ranked from 25 to 150, whose association can nominate players for 2.

Women's doubles
Due to the phase 2 updated by BWF, the following chart is the invitation results.
 * Players who ranked from 1 to 8, whose association can nominate players for 4.
 * Players who ranked from 9 to 24, whose association can nominate players for 3.
 * Players who ranked from 25 to 150, whose association can nominate players for 2.

Mixed doubles
Due to the phase 2 updated by BWF, the following chart is the invitation results.
 * Players who ranked from 1 to 8, whose association can nominate players for 4.
 * Players who ranked from 9 to 24, whose association can nominate players for 3.
 * Players who ranked from 25 to 150, whose association can nominate players for 2.