| 2004年度版ＹＬ一覧表 | |||
| 児童書・読みやすさレベル一覧表 2004/04/21 改訂 | |||
| SSS YL | 略称（語彙レベル）・シリーズ名・レベル | 総語数 | 備考 |
| YL0.0 | LLL0 Longman Literacy Land Story Street Foundation Step | 0 | 文字なし |
| YL 0.0-0.1 | ORT0 Oxford Reading Tree Stage 1 | 0-20 | 文字のあるものは、YL 0.1 |
| YL 0.1 | ORT1 Oxford Reading Tree Stage 1+ | 30-40 | 単語のみ |
| YL 0.1 | LLL1 Longman Literacy Land Story Street Step 1 | 15-30 | |
| YL 0.2 | ORT2 Oxford Reading Tree Stage 2 | 20-70 | |
| YL 0.2 | LLL2 Longman Literacy Land Story Street Step 2 | 30-70 | |
| YL 0.2-0.3 | LSR Longman Shared Reading | 50-100 | |
| YL 0.1-0.3 | SCR1 Scholastic Readers Level 1 | 30-350 | Word by Word、My First Hello Reader!、Hello Reader! Level1の３つが含まれる。 |
| YL 0.3 | ORT3 Oxford Reading Tree Stage 3 | 70-80 | 大人はここから |
| YL 0.3 | LLL3 Longman Literacy Land Story Street Step 3 | 60-110 | |
| YL 0.3 | AAR0 All Aboard Rading Picture Books | 150-200 | |
| YL 0.2-0.3 | SIR1 Step into Reading Step 1 | 50-150 | 旧Early,Super Early |
| YL 0.3 | ICR0 My First I Can Read Books | 80-130 | |
| YL 0.3-0.5 | PYR1 Penguin Young Readers Level 1 | 80-300 | （300語レベル） |
| YL 0.3-0.6 | PER1 Puffin Easy-to-Read Level 1 | 80-450 | |
| YL 0.4-0.8 | AAR1 All Aboard Rading Level 1 | 100-700 | |
| YL 0.4 | ORT4 Oxford Reading Tree Stage 4 | 100-200 | |
| YL 0.4 | LLL4 Longman Literacy Land Story Street Step 4 | 150-200 | |
| YL 0.4 | AWBL Addison Wesley Big & Little Books | 150-400 | |
| YL 0.4 | OCT1 Oxford Classic Tales Beginner 1 | 400 | （100語レベル） |
| YL 0.4-0.6 | SCR Scholastic Readers Level 2 | 250-500 | 旧Hello Reader! Level 2 |
| YL 0.4-0.6 | SIR2 Step into Reading Step 2 | 250-350 | 旧Step 1 |
| YL 0.4-0.8 | ICR1 I Can Read Books Level 1 | 100-900 | |
| YL 0.5 | ORT5 Oxford Reading Tree Stage 5 | 300-350 | |
| YL 0.5-0.7 | CRG1 Curious George (Short) | 340-700 | |
| YL 0.6 | ORT6 Oxford Reading Tree Stage 6 | 450-700 | |
| YL 0.6 | LLL5 Longman Literacy Land Story Street Step 5 | 270-350 | |
| YL 0.6 | DKR1 Dorling Kindersley Readers Level 1 | 600-700 | |
| YL 0.7 | ORT7 Oxford Reading Tree Stage 7 | 900-1000 | |
| YL 0.7 | LLL6 Longman Literacy Land Story Street Step 6 | 460-600 | |
| YL 0.8 | OCT2 Oxford Classic Tales Beginner 2 | 800-1000 | （150語レベル） |
| YL 0.7-1.0 | PYR2 Penguin Young Readers Level 2 | 250-500 | （700語レベル） |
| YL 0.8 | PGR0(200) Penguin Readers Easystarts | 1000 | 字が小さいのが気になる人にはYL1.0 |
| YL 0.8-1.2 | PER2 Puffin Easy-to-Read Level 2 | 500-1500 | |
| YL 0.8-1.2 | AAR2 All Aboard Reading Level 2 | 500-1500 | |
| YL 1.6-2.0 | CRG2 Curious George (LONG) | 1300-2500 | |
| YL 0.9 | ORT8 Oxford Reading Tree Stage 8 | 900-1200 | |
| YL 0.9 | DKR2 Dorling Kindersley Readers Level 2 | 800-1000 | |
| YL 0.9-1.4 | SIR3 Step into Reading Step 3 | 500-1500 | 旧Step 2 |
| YL 1.0 | ORT9 Oxford Reading Tree Stage 9 | 1200-1500 | |
| YL 1.0 | LLL7 Longman Literacy Land Story Street Step 7 | 600-750 | |
| YL 1.0-1.4 | PGR1(300) Penguin Readers level 1 | 1300-4400 | |
| YL 1.2-1.6 | PYR3 Penguin Young Reader Level 3 | 700-1400 | (1000語レベル) |
| YL1.2-1.6 | LLL8 Longman Literacy Land Story Street Step 8 | 750-900 | |
| YL1.2-1.6 | LLL9 Longman Literacy Land Story Street Step 9 | 900-1100 | |
| YL 1.2-1.6 | ICR2 I Can Read Books Level 2 | 1500-2000 | |
| YL 1.4-1.6 | SCR3 Scholastic Readers Level 3 | 1200-2100 | 旧Hello Reader! Level 3 |
| YL 1.4-2.0 | SIR4 Step into Reading Step 4 | 1300-3000 | 旧Step 3 |
| YL1.6-2.0 | LLL10 Longman Literacy Land Story Street Step 10 | 1300-1700 | |
| YL 1.6-2.0 | AAR3 All Aboard Reading Level 3 | 1500-5000 | |
| YL 1.6-2.0 | PER3 Puffin Easy-to-Read Level 3 | 1000-3000 | |
| YL 1.6-2.0 | ICR3 I Can Read Books Level 3 | 1600-2100 | |
| YL 1.8-2.0 | DKR3 Dorling Kindersley Readers Level 3 | 2000-2500 | |
| YL 1.8-2.0 | PYR4 Penguin Young Reader Level 4 | 2000-3000 | (1400語レベル) |
| YL2.0 | Enormous Crocodile | 3000 | |
| YL2.0-3.0 | LLL11 Longman Literacy Land Story Street Step 11 | 2300-3800 | |
| YL2.0-3.0 | LLL12 Longman Literacy Land Story Street Step 12 | 3600-5200 | |
| YL 2.0-3.0 | SCR4 Scholastic Readers Level 4 | 2200-5800 | 旧Hello Reader! Level 4 |
| YL 2.0-3.0 | SIR5 Step into Reading Step 5 | 3000-4800 | 旧Step 4 |
| YL 2.0-3.0 | DKR4 Dorling Kindersley Readers Level 4 | 3000-4800 | |
| YL 2.2-2.6 | PGR2(600) Penguin Readers level 2 | 3500-11000 | |
| YL2.6-3.6 | AZM A to Z Mysteries/ Marvin Redpost / Zack Files / MAXimum Boy/ Lizzie Zipmouth | 6000-12000 | |
| MTH Magic Tree House | 4900-6100 | ||
| NDNB Nancy Drew Notebooks | 8000-10000 | ||
| MSB Magic School Bus Series | 4000-7000 | ||
| YL 3.0-3.6 | MGF Magic Finger /Esio Trot /The Giraffe and the Pelly and Me/ Fantastic Mr Fox | 3500-8600 | |
| YL 3.2-3.8 | PGR3(1200) Penguin Readers level 3 | 5600-21000 | |
| YL 3.0-4.0 | FHM Full House Michelle / Baby-Sitters Little Sisteｒ/ | 8000-14000 | |
| My Father's Dragon | |||
| YL 3.6-4.6 | CPU Captain Underpants | 6000-9000 | |
| SDR The Secrets of Droon | 7000-10000 | ||
| YL 4.0-5.0 | FMF Famous Five | 20000-48000 | 邦訳を読んだことのある作品は早い段階でも読める |
| Baby-Sitters Club /Full House Sisters / Goosebumps | 20000-35000 | ||
| There's a Boy in the Girl's Bathroom | 35000 | ||
| Little House （大草原の小さな家シリーズ） | 35000-60000 | ||
| YL4.0-5.0 | CCF Charlie and the Chocolate Factory / George's Marvelous Medicine / The Twits / James and the Giant Peach | 9000-32000 | |
| YL 4.0-5.0 | PGR4(1700) Penguin Readers level 4 | 12000- | |
| 42000 | |||
| YL5.0-6.0 | ANM Animorphs / Deltora Quest / A Series of Unfortunate Events / Darren Shan | 25000-40000 | |
| YL5.0-6.0 | MTLD Matilda/ The Witches | 30000-40000 | |
| YL 5.0-6.0 | PGR5(2300) Penguin Readers level 5 | 14000- | |
| 46000 | |||
| YL6.0-7.0 | Holes | 47000 | |
| YL 6.0-7.0 | PGR6(3000) Penguin Readers level 6 | 22000- | |
| 34000 | |||
| YL 7.0-8.0 | SKF The Sky is Falling/ Mackenzie's Mountain/ | 60000- | |
| 100000 | |||
| YL 8.0-9.0 | SLS Silent Spring/ A Time to Kill/ Pelican Brief | 100000- | |
| 150000 | |||