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Sword Art Online

Novel

Sword Art Online

Length (in words)	1503800
Unique words	34671
Unique words (used once)	10058
Unique words (used once %)	29%
Unique kanji	2928
Unique kanji (used once)	218
Unique kanji readings	6176
Average difficulty	73%
90th percentile difficulty	90%
Average sentence length	28.0
Characters	3462907
Sentences	123749
Volumes	25

MyAnimeList Amazon

Vocabulary list

Volume 1

Length (in words)	63057
Unique words	8178
Unique words (used once)	3786
Unique words (used once %)	46%
Unique kanji	1818
Unique kanji (used once)	328
Average difficulty	65%
90th percentile difficulty	81%
Average sentence length	25.7
Characters	143032
Sentences	5573
Sentences (unique)	5481

Vocabulary list

Volume 2

Length (in words)	59939
Unique words	7607
Unique words (used once)	3602
Unique words (used once %)	47%
Unique kanji	1722
Unique kanji (used once)	309
Average difficulty	68%
90th percentile difficulty	85%
Average sentence length	25.5
Characters	138420
Sentences	5432
Sentences (unique)	5320

Vocabulary list

Volume 3

Length (in words)	54529
Unique words	7982
Unique words (used once)	3904
Unique words (used once %)	48%
Unique kanji	1829
Unique kanji (used once)	341
Average difficulty	70%
90th percentile difficulty	86%
Average sentence length	25.5
Characters	127090
Sentences	4992
Sentences (unique)	4911

Vocabulary list

Volume 4

Length (in words)	56071
Unique words	7750
Unique words (used once)	3777
Unique words (used once %)	48%
Unique kanji	1817
Unique kanji (used once)	342
Average difficulty	73%
90th percentile difficulty	86%
Average sentence length	26.3
Characters	128155
Sentences	4881
Sentences (unique)	4801

Vocabulary list

Volume 5

Length (in words)	54710
Unique words	8230
Unique words (used once)	4035
Unique words (used once %)	49%
Unique kanji	1803
Unique kanji (used once)	329
Average difficulty	72%
90th percentile difficulty	87%
Average sentence length	28.4
Characters	126419
Sentences	4450
Sentences (unique)	4380

Vocabulary list

Volume 6

Length (in words)	83767
Unique words	9084
Unique words (used once)	4110
Unique words (used once %)	45%
Unique kanji	1857
Unique kanji (used once)	313
Average difficulty	77%
90th percentile difficulty	89%
Average sentence length	26.0
Characters	193264
Sentences	7447
Sentences (unique)	7233

Vocabulary list

Volume 7

Length (in words)	56654
Unique words	7999
Unique words (used once)	3995
Unique words (used once %)	49%
Unique kanji	1805
Unique kanji (used once)	335
Average difficulty	76%
90th percentile difficulty	86%
Average sentence length	28.6
Characters	132560
Sentences	4629
Sentences (unique)	4510

Vocabulary list

Volume 8

Length (in words)	75797
Unique words	9294
Unique words (used once)	4329
Unique words (used once %)	46%
Unique kanji	1916
Unique kanji (used once)	340
Average difficulty	66%
90th percentile difficulty	82%
Average sentence length	28.4
Characters	176276
Sentences	6217
Sentences (unique)	6103

Vocabulary list

Volume 9

Length (in words)	76376
Unique words	9177
Unique words (used once)	4283
Unique words (used once %)	46%
Unique kanji	1928
Unique kanji (used once)	324
Average difficulty	77%
90th percentile difficulty	91%
Average sentence length	27.9
Characters	174805
Sentences	6255
Sentences (unique)	6107

Vocabulary list

Volume 10

Length (in words)	65737
Unique words	8979
Unique words (used once)	4336
Unique words (used once %)	48%
Unique kanji	1916
Unique kanji (used once)	341
Average difficulty	76%
90th percentile difficulty	91%
Average sentence length	30.5
Characters	149590
Sentences	4903
Sentences (unique)	4858

Vocabulary list

Volume 11

Length (in words)	58303
Unique words	7948
Unique words (used once)	3778
Unique words (used once %)	47%
Unique kanji	1861
Unique kanji (used once)	323
Average difficulty	80%
90th percentile difficulty	92%
Average sentence length	30.3
Characters	134606
Sentences	4440
Sentences (unique)	4363

Vocabulary list

Volume 12

Length (in words)	62638
Unique words	7636
Unique words (used once)	3492
Unique words (used once %)	45%
Unique kanji	1822
Unique kanji (used once)	313
Average difficulty	81%
90th percentile difficulty	93%
Average sentence length	29.9
Characters	142494
Sentences	4759
Sentences (unique)	4657

Vocabulary list

Volume 13

Length (in words)	51995
Unique words	7066
Unique words (used once)	3274
Unique words (used once %)	46%
Unique kanji	1774
Unique kanji (used once)	307
Average difficulty	78%
90th percentile difficulty	93%
Average sentence length	28.9
Characters	117969
Sentences	4077
Sentences (unique)	3983

Vocabulary list

Volume 14

Length (in words)	58900
Unique words	6769
Unique words (used once)	3025
Unique words (used once %)	44%
Unique kanji	1728
Unique kanji (used once)	294
Average difficulty	84%
90th percentile difficulty	94%
Average sentence length	28.1
Characters	135052
Sentences	4799
Sentences (unique)	4707

Vocabulary list

Volume 15

Length (in words)	58786
Unique words	8489
Unique words (used once)	4200
Unique words (used once %)	49%
Unique kanji	1930
Unique kanji (used once)	323
Average difficulty	74%
90th percentile difficulty	90%
Average sentence length	29.6
Characters	133625
Sentences	4519
Sentences (unique)	4457

Vocabulary list

Volume 16

Length (in words)	58248
Unique words	7810
Unique words (used once)	3607
Unique words (used once %)	46%
Unique kanji	1876
Unique kanji (used once)	330
Average difficulty	76%
90th percentile difficulty	90%
Average sentence length	27.9
Characters	131506
Sentences	4716
Sentences (unique)	4674

Vocabulary list

Volume 17

Length (in words)	57527
Unique words	7526
Unique words (used once)	3432
Unique words (used once %)	45%
Unique kanji	1766
Unique kanji (used once)	316
Average difficulty	76%
90th percentile difficulty	88%
Average sentence length	26.8
Characters	133615
Sentences	4994
Sentences (unique)	4901

Vocabulary list

Volume 18

Length (in words)	69800
Unique words	8758
Unique words (used once)	4090
Unique words (used once %)	46%
Unique kanji	1912
Unique kanji (used once)	330
Average difficulty	75%
90th percentile difficulty	89%
Average sentence length	25.3
Characters	160579
Sentences	6339
Sentences (unique)	6154

Vocabulary list

Volume 19

Length (in words)	47912
Unique words	6710
Unique words (used once)	3160
Unique words (used once %)	47%
Unique kanji	1728
Unique kanji (used once)	299
Average difficulty	80%
90th percentile difficulty	92%
Average sentence length	29.6
Characters	109024
Sentences	3687
Sentences (unique)	3641

Vocabulary list

Volume 20

Length (in words)	67700
Unique words	7801
Unique words (used once)	3503
Unique words (used once %)	44%
Unique kanji	1829
Unique kanji (used once)	289
Average difficulty	76%
90th percentile difficulty	89%
Average sentence length	31.0
Characters	153058
Sentences	4937
Sentences (unique)	4854

Vocabulary list

Volume 21

Length (in words)	51924
Unique words	6999
Unique words (used once)	3316
Unique words (used once %)	47%
Unique kanji	1677
Unique kanji (used once)	285
Average difficulty	65%
90th percentile difficulty	82%
Average sentence length	28.4
Characters	121503
Sentences	4277
Sentences (unique)	4232

Vocabulary list

Volume 22

Length (in words)	57287
Unique words	7510
Unique words (used once)	3553
Unique words (used once %)	47%
Unique kanji	1722
Unique kanji (used once)	307
Average difficulty	70%
90th percentile difficulty	85%
Average sentence length	28.8
Characters	134368
Sentences	4661
Sentences (unique)	4570

Vocabulary list

Volume 23

Length (in words)	53337
Unique words	7175
Unique words (used once)	3440
Unique words (used once %)	47%
Unique kanji	1696
Unique kanji (used once)	306
Average difficulty	65%
90th percentile difficulty	84%
Average sentence length	28.2
Characters	125302
Sentences	4446
Sentences (unique)	4390

Vocabulary list

Volume 24

Length (in words)	54258
Unique words	7790
Unique words (used once)	3785
Unique words (used once %)	48%
Unique kanji	1779
Unique kanji (used once)	299
Average difficulty	61%
90th percentile difficulty	81%
Average sentence length	27.8
Characters	126393
Sentences	4544
Sentences (unique)	4486

Vocabulary list

Volume 25

Length (in words)	48548
Unique words	7083
Unique words (used once)	3377
Unique words (used once %)	47%
Unique kanji	1740
Unique kanji (used once)	312
Average difficulty	65%
90th percentile difficulty	83%
Average sentence length	30.3
Characters	114202
Sentences	3775
Sentences (unique)	3732

Vocabulary list

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Yagate Maken no Alicebell

Length (in words)	291843
Unique words	20149
Unique words (used once)	8370
Unique words (used once %)	41%
Unique kanji	2554
Unique kanji (used once)	305
Unique kanji readings	4966
Average difficulty	73%
90th percentile difficulty	88%
Average sentence length	18.5
Characters	659143
Volumes	6

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Ulysses: Jeanne d'Arc and the Alchemist Knight

Length (in words)	263810
Unique words	14380
Unique words (used once)	5268
Unique words (used once %)	36%
Unique kanji	2180
Unique kanji (used once)	236
Unique kanji readings	4040
Average difficulty	73%
90th percentile difficulty	85%
Average sentence length	21.9
Characters	642265
Volumes	3

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Marude Hito Da na, Lucy

Length (in words)	87566
Unique words	8248
Unique words (used once)	3643
Unique words (used once %)	44%
Unique kanji	1863
Unique kanji (used once)	296
Unique kanji readings	3207
Average difficulty	73%
90th percentile difficulty	86%
Average sentence length	20.1
Characters	206416
Volumes	2

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Gin no Ryuu Kishidan

Length (in words)	508084
Unique words	18424
Unique words (used once)	6067
Unique words (used once %)	32%
Unique kanji	2461
Unique kanji (used once)	240
Unique kanji readings	4845
Average difficulty	73%
90th percentile difficulty	85%
Average sentence length	26.5
Characters	1165961
Volumes	12

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A Certain Magical Index

Length (in words)	1262230
Unique words	30935
Unique words (used once)	9009
Unique words (used once %)	29%
Unique kanji	2713
Unique kanji (used once)	259
Unique kanji readings	5673
Average difficulty	73%
90th percentile difficulty	83%
Average sentence length	25.7
Characters	2907379
Volumes	23

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Sanzensekai no Karasu wo Koroshi

Length (in words)	838061
Unique words	28667
Unique words (used once)	8772
Unique words (used once %)	30%
Unique kanji	2553
Unique kanji (used once)	224
Unique kanji readings	5053
Average difficulty	73%
90th percentile difficulty	88%
Average sentence length	29.1
Characters	1956820
Volumes	20

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Wakai Geijutsuka no Shouzou

Length (in words)	92361
Unique words	10029
Unique words (used once)	4545
Unique words (used once %)	45%
Unique kanji	2076
Unique kanji (used once)	349
Unique kanji readings	3578
Average difficulty	73%
90th percentile difficulty	86%
Average sentence length	31.0
Characters	208547
Volumes	1

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Vivy Prototype

Length (in words)	71124
Unique words	8185
Unique words (used once)	3789
Unique words (used once %)	46%
Unique kanji	1752
Unique kanji (used once)	282
Unique kanji readings	3045
Average difficulty	74%
90th percentile difficulty	85%
Average sentence length	26.8
Characters	168221
Volumes	1

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Kojinteki na Taiken

Length (in words)	68824
Unique words	7789
Unique words (used once)	3585
Unique words (used once %)	46%
Unique kanji	1978
Unique kanji (used once)	365
Unique kanji readings	3173
Average difficulty	73%
90th percentile difficulty	83%
Average sentence length	36.6
Characters	154874
Volumes	1

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Length (in words)	569060
Unique words	20874
Unique words (used once)	7439
Unique words (used once %)	35%
Unique kanji	2441
Unique kanji (used once)	246
Unique kanji readings	4809
Average difficulty	74%
90th percentile difficulty	85%
Average sentence length	19.3
Characters	1328233
Volumes	13

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