Divisions I A and I B represent the second and the third tier of competition at the 2024 IIHF World Women's U18 Championship.

The Division I Group A tournament was played in Egna (Neumarkt), Italy, from 6 to 12 January 2024.

[4] GP = Games played; G = Goals; A = Assists; Pts = Points; +/− = Plus–minus; PIM = Penalties In MinutesSource: IIHF[5] (minimum 40% team's total ice time) TOI = Time on ice (minutes:seconds); GA = Goals against; GAA = Goals against average; SA = Shots against; Sv% = Save percentage; SO = ShutoutsSource: IIHF[6] Source: IIHF[7] The Division I Group B tournament was played in Jaca, Spain, from 8 to 14 January 2024.

GP = Games played; G = Goals; A = Assists; Pts = Points; +/− = Plus/minus; PIM = Penalties in minutes; POS = Position Source: IIHF Only the top five goaltenders, based on save percentage, who have played at least 40% of their team's minutes, are included in this list.

TOI = Time on ice (minutes:seconds); SA = Shots against; GA = Goals against; GAA = Goals against average; Sv% = Save percentage; SO = Shutouts Source: IIHF Source: IIHF.com