Naruto - Filler Episodes (1-220)
Episode: 026
Episode: 097
Episode: 101-106
Episode: 137-140
Episode: 143-219

89 filler episodes of 220 total episodes.

40% of the Naruto anime are filler episodes.

Naruto Shippuden - Filler Episodes
Episode: 057-070
Episode: 091-112
Episode: 144-151
Episode: 170-171
Episode: 176-196
Episode: 223-242
Episode: 257-260
Episode: 271
Episode: 279-281
Episode: 284-295
Episode: 303-320
Episode: 327
Episode: 349-361
Episode: 376-377
Episode: 388-390
Episode: 394-413
Episode: 416-417
Episode: 419
Episode: 422-423
Episode: 427-457
Episode: 460-462
Episode: 464-468
Episode: 480-483

210 filler episodes of 483 total episodes.

43% of the Naruto Shippuden anime are filler episodes.