The Hardest WaniKani Kanji

Ranked by how often WaniKani learners demote them - built from real, anonymized review history. wanilog.com

#	Kanji	Meaning	WK level	% who demote it	Accuracy
1	措	Set Aside	41	50%	88%
2	執	Tenacious	37	46%	84%
3	懲	Chastise	43	45%	82%
4	賠	Compensation	52	45%	91%
5	鈍	Dull	46	45%	89%
6	滋	Nourishing	43	43%	86%
7	唾	Saliva	35	42%	86%
8	欺	Deceit	47	42%	90%
9	岐	Branch Off	39	41%	84%
10	随	All	53	40%	88%
11	慮	Consider	38	40%	89%
12	戴	Receive	53	40%	91%
13	秩	Order	52	40%	92%
14	牲	Offering	52	40%	89%
15	遇	Treatment	52	40%	92%
16	抑	Suppress	38	39%	88%
17	粒	Grains	44	38%	83%
18	鍛	Forge	46	36%	90%
19	沸	Boil	51	36%	88%
20	吾	I	46	36%	93%
21	鎖	Chain	52	36%	95%
22	頼	Trust	36	36%	90%
23	敏	Alert	40	35%	87%
24	緒	Cord	38	35%	90%
25	還	Send Back	38	33%	84%
26	郊	Suburbs	51	33%	92%
27	唆	Instigate	52	33%	85%
28	駄	Burdensome	50	33%	91%
29	偏	Biased	52	33%	90%
30	慈	Mercy	51	33%	93%
31	叫	Shout	44	33%	89%
32	徴	Indication	26	33%	84%
33	酸	Acid	32	32%	88%
34	莫	Endless	25	32%	85%
35	抵	Resist	37	32%	88%
36	授	Instruct	26	32%	82%
37	潮	Tide	43	31%	90%
38	挫	Sprain	26	31%	86%
39	暦	Calendar	45	31%	91%
40	凶	Villain	45	31%	89%
41	崖	Cliff	47	31%	91%
42	澄	Lucidity	45	31%	90%
43	岳	Peak	45	31%	88%
44	併	Join	38	30%	88%
45	蒙	Darkness	53	30%	90%
46	譲	Defer	39	30%	89%
47	庶	Common	54	30%	91%
48	酎	Hard Liquor	41	30%	89%
49	懸	Suspend	38	30%	88%
50	虐	Oppress	53	30%	92%
51	釈	Explanation	51	30%	94%
52	勲	Merit	54	30%	91%
53	棟	Building	46	30%	95%
54	聡	Wise	51	30%	98%
55	詐	Lie	47	30%	94%
56	遭	Encounter	52	30%	98%
57	祥	Auspicious	52	30%	94%
58	模	Imitation	25	30%	81%
59	伎	Deed	36	29%	85%
60	稚	Immature	28	29%	85%
61	慣	Accustomed	25	29%	85%
62	偶	Accidentally	50	29%	87%
63	騙	Trickery	32	29%	86%
64	仰	Look Up To	50	29%	88%
65	辱	Humiliate	48	29%	89%
66	錬	Tempering	46	29%	94%
67	慰	Consolation	43	29%	90%
68	阻	Thwart	46	29%	90%
69	識	Discerning	17	28%	83%
70	拭	Wipe	26	28%	84%
71	遣	Dispatch	37	28%	85%
72	逮	Apprehend	25	27%	82%
73	陳	Exhibit	52	27%	88%
74	賂	Bribe	38	27%	88%
75	挟	Put Between	51	27%	92%
76	慢	Overconfidence	52	27%	96%
77	綾	Design	52	27%	94%
78	輔	Help	52	27%	95%
79	俵	Straw Sack	46	27%	93%
80	堤	Embankment	50	27%	91%
81	諒	Comprehend	53	27%	94%
82	郡	County	51	27%	94%
83	慌	Confused	49	27%	95%
84	潔	Pure	28	27%	85%
85	屈	Yield	27	27%	87%
86	凄	Amazing	41	27%	91%
87	摩	Chafe	43	27%	89%
88	諦	Give Up	22	27%	86%
89	蜂	Bee	41	26%	90%
90	刑	Punish	37	26%	83%
91	遺	Leave Behind	36	26%	91%
92	尊	Revered	33	26%	90%
93	援	Aid	22	26%	87%
94	済	Come To An End	21	26%	86%
95	被	Cover	20	26%	88%
96	牧	Pasture	43	25%	85%
97	騒	Boisterous	30	25%	84%
98	朗	Bright	43	25%	88%
99	斬	Slice	46	25%	91%
100	係	Connection	16	25%	86%
101	控	Abstain	39	25%	91%
102	塀	Fence	47	25%	90%
103	薄	Dilute	40	25%	90%
104	討	Chastise	26	25%	86%
105	析	Analysis	42	25%	88%
106	揮	Brandish	34	25%	89%
107	却	Contrary	38	25%	88%
108	恒	Constant	52	25%	93%
109	哲	Philosophy	42	25%	95%
110	把	Bundle	50	25%	98%
111	喧	Noisy	41	25%	96%
112	祝	Celebrate	24	25%	82%
113	訟	Lawsuit	25	25%	83%
114	幼	Infancy	28	25%	83%
115	綺	Beautiful	28	25%	87%
116	康	Ease	27	25%	85%
117	叔	Uncle	36	24%	90%
118	般	Generally	36	24%	87%
119	依	Reliant	36	24%	89%
120	褒	Praise	40	24%	84%
121	雇	Employ	39	24%	94%
122	鉱	Mineral	41	24%	94%
123	侵	Invade	41	24%	92%
124	僅	Slight	33	24%	89%
125	態	Appearance	22	24%	87%
126	惑	Misguided	27	24%	88%
127	至	Attain	41	24%	89%
128	排	Emit	40	24%	86%
129	儲	Make Money	33	24%	92%
130	斉	Simultaneous	43	24%	90%
131	惹	Attract	43	24%	93%
132	負	Lose	9	23%	88%
133	姓	Family Name	36	23%	89%
134	熟	Ripen	33	23%	88%
135	府	Government	16	23%	88%
136	唯	Solely	49	23%	91%
137	炒	Fry	36	23%	91%
138	礎	Foundation	49	23%	93%
139	泰	Peace	43	23%	86%
140	陛	Highness	49	23%	92%
141	丘	Hill	44	23%	91%
142	唐	China	50	23%	90%
143	舟	Boat	45	23%	92%
144	拶	Draw Close	44	23%	91%
145	涯	Horizon	50	23%	94%
146	俗	Vulgar	49	23%	96%
147	訂	Revise	50	23%	93%
148	菌	Bacteria	45	23%	92%
149	媛	Princess	51	23%	94%
150	贅	Extravagant	23	23%	87%
151	裕	Abundant	20	23%	88%
152	戚	Relatives	35	23%	91%
153	領	Territory	22	23%	86%
154	阜	Mound	39	23%	92%
155	値	Value	22	22%	85%
156	憧	Long For	27	22%	84%
157	罪	Guilt	20	22%	83%
158	絡	Entangle	19	22%	85%
159	非	Injustice	17	22%	89%
160	俊	Genius	40	22%	86%
161	融	Dissolve	31	22%	86%
162	璧	Disc	38	22%	89%
163	蜜	Honey	41	22%	94%
164	奏	Play Music	38	22%	92%
165	遜	Humble	41	22%	94%
166	到	Arrival	42	22%	93%
167	浴	Bathe	16	22%	88%
168	紹	Introduce	35	22%	93%
169	娠	Pregnant	38	22%	91%
170	貰	Receive	21	22%	89%
171	敗	Failure	17	22%	85%
172	賀	Congratulations	22	21%	89%
173	頃	Approximate	45	21%	93%
174	厄	Misfortune	35	21%	90%
175	条	Clause	21	21%	88%
176	炊	Cook	47	21%	91%
177	糾	Twist Together	42	21%	94%
178	駒	Chess Piece	49	21%	91%
179	婆	Old Woman	47	21%	92%
180	輝	Radiance	48	21%	92%
181	喜	Rejoice	17	21%	88%
182	撲	Slap	43	21%	92%
183	賢	Clever	48	21%	90%
184	闇	Darkness	48	21%	93%
185	謎	Mystery	44	21%	96%
186	穂	Head of Plant	46	21%	97%
187	即	Instant	43	21%	91%
188	訴	Sue	25	21%	84%
189	因	Cause	17	21%	90%
190	未	Not Yet	7	21%	87%
191	豪	Exceptional	31	21%	91%
192	域	Region	22	21%	86%
193	規	Standard	24	21%	84%
194	潰	Crush	35	21%	90%
195	隆	Prosperity	39	21%	92%
196	提	Present	22	21%	87%
197	豊	Plentiful	25	21%	85%
198	舐	Lick	15	21%	91%
199	氏	Family Name	7	21%	88%
200	績	Achievement	32	21%	86%
201	仮	Temporary	9	21%	88%
202	結	Bind	17	20%	87%
203	督	Direct	29	20%	88%
204	願	Request	14	20%	85%
205	考	Think	5	20%	83%
206	苛	Frustration	18	20%	87%
207	晴	Clear Up	15	20%	88%
208	裂	Split	43	20%	91%
209	克	Overcome	42	20%	92%
210	租	Tariff	46	20%	85%
211	就	Get A Position	27	20%	85%
212	誘	Invite	27	20%	82%
213	距	Distance	43	20%	86%
214	披	Expose	53	20%	89%
215	徹	Penetrate	41	20%	95%
216	揚	Hoist	42	20%	96%
217	坊	Monk	22	20%	86%
218	斎	Purification	42	20%	94%
219	縄	Rope	36	20%	91%
220	軸	Axis	42	20%	93%
221	枢	Hinge	42	20%	90%
222	須	Necessary	52	20%	97%
223	惨	Disaster	53	20%	93%
224	暫	Temporarily	42	20%	90%
225	是	Absolutely	17	20%	89%
226	覆	Capsize	49	20%	96%
227	託	Consign	38	20%	92%
228	債	Debt	36	20%	87%
229	墳	Tomb	50	20%	94%
230	胞	Cell	53	20%	92%
231	威	Dignity	43	20%	94%
232	誉	Honor	40	20%	93%
233	噴	Erupt	52	20%	91%
234	浦	Bay	51	20%	94%
235	迅	Swift	48	20%	97%
236	孤	Orphan	52	20%	100%
237	軟	Soft	51	20%	97%
238	覇	Leadership	52	20%	95%
239	曙	Dawn	53	20%	96%
240	擁	Embrace	52	20%	97%
241	苦	Suffering	9	20%	87%
242	武	Military	24	20%	88%
243	紀	Account	15	20%	89%
244	較	Contrast	26	20%	84%
245	械	Contraption	20	20%	90%
246	増	Increase	21	20%	88%
247	積	Accumulate	29	20%	85%
248	素	Element	21	20%	87%
249	既	Previously	31	19%	88%
250	散	Scatter	31	19%	88%
251	持	Hold	9	19%	88%
252	構	Set Up	25	19%	85%
253	替	Replace	25	19%	86%
254	技	Skill	15	19%	86%
255	請	Request	29	19%	86%
256	微	Delicate	28	19%	85%
257	御	Honorable	39	19%	90%
258	剤	Dose	40	19%	85%
259	撤	Withdrawal	41	19%	89%
260	臨	Look To	37	19%	85%
261	充	Allocate	39	19%	88%
262	拉	Abduct	40	19%	86%
263	獲	Seize	40	19%	95%
264	拒	Refuse	39	19%	91%
265	囚	Criminal	39	19%	92%
266	孝	Filial Piety	40	19%	91%
267	睡	Drowsy	27	19%	89%
268	批	Criticism	21	19%	92%
269	困	Distressed	20	19%	87%
270	繋	Connect	18	19%	89%
271	捨	Throw Away	32	19%	88%
272	俳	Haiku	23	19%	89%
273	打	Hit	4	19%	86%
274	更	Renew	22	19%	86%
275	容	Form	19	19%	88%
276	邪	Wicked	50	19%	96%
277	慎	Humility	39	19%	92%
278	敬	Respect	33	19%	90%
279	歓	Delight	34	19%	89%
280	賑	Bustling	42	19%	95%
281	揺	Shake	42	19%	96%
282	拳	Fist	41	19%	94%
283	検	Examine	21	19%	91%
284	投	Throw	8	19%	87%
285	埋	Bury	19	19%	90%
286	励	Encourage	26	19%	87%
287	施	Carry Out	23	18%	87%
288	浅	Shallow	15	18%	88%
289	徒	Junior	19	18%	89%
290	経	Passage of Time	20	18%	81%
291	縮	Shrink	34	18%	87%
292	列	Row	15	18%	88%
293	誓	Vow	49	18%	91%
294	遡	Go Upstream	44	18%	88%
295	粋	Stylish	34	18%	93%
296	悟	Realize	49	18%	94%
297	包	Wrap	41	18%	93%
298	挨	Push Open	44	18%	93%
299	抗	Confront	37	18%	89%
300	秀	Excel	23	18%	81%
301	途	Route	27	18%	89%
302	穏	Calm	46	18%	94%
303	疫	Epidemic	50	18%	94%
304	霧	Fog	47	18%	91%
305	扱	Handle	38	18%	90%
306	雅	Elegant	40	18%	95%
307	頻	Frequent	40	18%	93%
308	飢	Starve	48	18%	94%
309	苗	Seedling	51	18%	97%
310	隻	Ship Counter	51	18%	98%
311	斜	Diagonal	48	18%	97%
312	亮	Clear	51	18%	95%
313	呂	Bath	52	18%	94%
314	架	Shelf	46	18%	98%
315	娯	Recreation	44	18%	95%
316	拘	Arrest	49	18%	100%
317	稼	Earnings	45	18%	94%
318	案	Plan	22	18%	90%
319	議	Deliberation	20	18%	88%
320	添	Append	29	18%	86%
321	況	Condition	25	18%	87%
322	寄	Draw Near	29	18%	88%
323	網	Net	42	18%	93%
324	透	Transparent	40	18%	92%
325	供	Offer	24	18%	88%
326	腫	Swelling	39	18%	91%
327	嘘	Lie	41	18%	91%
328	封	Seal	43	18%	92%
329	顧	Review	40	18%	88%
330	頑	Stubborn	14	18%	86%
331	宜	Best Regards	38	17%	90%
332	勧	Recommend	29	17%	88%
333	斐	Patterned	39	17%	90%
334	描	Draw	38	17%	94%
335	遊	Play	30	17%	91%
336	募	Recruit	37	17%	84%
337	署	Government Office	17	17%	88%
338	尋	Inquire	31	17%	91%
339	収	Obtain	23	17%	85%
340	返	Return	9	17%	87%
341	眠	Sleep	27	17%	90%
342	札	Bill	7	17%	89%
343	落	Fall	10	17%	90%
344	受	Accept	9	17%	86%
345	礼	Thanks	4	17%	87%
346	失	Fault	7	17%	86%
347	陣	Army Camp	37	17%	88%
348	埼	Cape	39	17%	92%
349	也	Considerably	45	17%	94%
350	誌	Magazine	33	17%	86%
351	視	Look At	24	17%	86%
352	暮	Livelihood	33	17%	88%
353	詰	Stuffed	29	17%	88%
354	召	Call	51	17%	94%
355	嵐	Storm	44	17%	94%
356	裁	Judge	23	17%	88%
357	律	Law	23	17%	90%
358	粧	Cosmetics	47	17%	93%
359	盆	Tray	46	17%	94%
360	奪	Rob	39	17%	95%
361	隙	Crevice	48	17%	92%
362	脂	Fat	51	17%	95%
363	壇	Podium	49	17%	91%
364	軽	Lightweight	10	17%	89%
365	拠	Based On	41	17%	93%
366	噛	Bite	38	17%	94%
367	喫	Consume	18	17%	89%
368	故	Circumstance	26	17%	91%
369	巾	Towel	47	17%	94%
370	泡	Bubbles	46	17%	97%
371	虎	Tiger	41	17%	96%
372	簿	Record Book	50	17%	95%
373	甥	Nephew	33	17%	93%
374	塔	Tower	44	17%	94%
375	寧	Rather	46	17%	87%
376	柔	Gentle	43	17%	97%
377	諮	Consult	50	17%	95%
378	鉢	Flower Pot	48	17%	95%
379	陶	Pottery	49	17%	94%
380	彰	Clear	50	17%	97%
381	軌	Rut	50	17%	95%
382	狂	Lunatic	45	17%	95%
383	肌	Skin	45	17%	90%
384	懇	Courteous	43	17%	95%
385	朱	Vermilion	44	17%	95%
386	柳	Willow	47	17%	98%
387	茨	Briar	52	17%	100%
388	栽	Planting	54	17%	97%
389	便	Convenience	11	17%	87%
390	養	Foster	13	17%	89%
391	脱	Undress	22	16%	90%
392	当	Correct	5	16%	85%
393	政	Politics	16	16%	89%
394	創	Create	26	16%	86%
395	郵	Mail	26	16%	88%
396	借	Borrow	18	16%	91%
397	映	Reflect	7	16%	90%
398	認	Recognize	21	16%	91%
399	洋	Western Style	11	16%	89%
400	断	Cut Off	21	16%	88%
401	通	Pass Through	7	16%	87%
402	破	Tear	35	16%	89%
403	専	Specialty	16	16%	88%
404	測	Measure	35	16%	92%
405	宮	Shinto Shrine	22	16%	91%
406	善	Morally Good	19	16%	89%
407	貧	Poor	30	16%	88%
408	房	Cluster	38	16%	92%
409	恵	Favor	37	16%	88%
410	刊	Edition	38	16%	93%
411	唱	Chant	40	16%	93%
412	転	Revolve	10	16%	87%
413	捉	Catch	35	16%	82%
414	匂	Smell	30	16%	94%
415	確	Certain	20	16%	87%
416	渡	Transit	25	16%	89%
417	刺	Stab	20	16%	90%
418	岸	Coast	11	16%	92%
419	衝	Collide	40	16%	91%
420	闘	Fight	37	16%	88%
421	徳	Virtue	31	16%	90%
422	芝	Lawn	42	16%	97%
423	茂	Luxuriant	40	16%	95%
424	歩	Walk	6	16%	87%
425	練	Practice	13	16%	89%
426	式	Ritual	15	16%	86%
427	格	Status	14	16%	85%
428	賛	Agree	32	16%	86%
429	推	Infer	34	16%	88%
430	隷	Slave	34	16%	90%
431	陸	Land	31	16%	94%
432	居	Alive	25	16%	89%
433	織	Weave	27	16%	89%
434	怪	Suspicious	26	16%	88%
435	履	Footwear	19	15%	90%
436	定	Determine	9	15%	86%
437	詳	Detailed	17	15%	89%
438	黙	Shut Up	46	15%	94%
439	献	Offer	36	15%	85%
440	貼	Paste	48	15%	95%
441	影	Shadow	25	15%	87%
442	剛	Sturdy	49	15%	93%
443	翻	Flip	50	15%	100%
444	銘	Inscription	50	15%	94%
445	賜	Grant	46	15%	90%
446	帳	Notebook	48	15%	98%
447	眺	Stare	45	15%	97%
448	記	Write Down	7	15%	89%
449	民	Peoples	7	15%	87%
450	濃	Dense	27	15%	90%
451	昆	Insect	19	15%	93%
452	習	Learn	10	15%	87%
453	疲	Tired	12	15%	90%
454	勢	Force	22	15%	89%
455	貿	Trade	36	15%	87%
456	損	Loss	34	15%	91%
457	波	Wave	11	15%	89%
458	置	Put	22	15%	88%
459	努	Toil	11	15%	88%
460	掲	Display	37	15%	85%
461	兼	Concurrently	40	15%	90%
462	贈	Presents	38	15%	91%
463	姪	Niece	30	15%	91%
464	宛	Address	39	15%	93%
465	険	Risky	16	15%	89%
466	展	Expand	24	15%	87%
467	継	Inherit	36	15%	88%
468	削	Whittle Down	37	15%	90%
469	津	Harbor	36	15%	88%
470	歴	Continuation	19	15%	91%
471	冗	Superfluous	16	15%	91%
472	労	Labor	11	15%	87%
473	渇	Dry Up	30	15%	91%
474	諸	Various	33	15%	92%
475	統	Unite	22	15%	86%
476	功	Achievement	11	15%	91%
477	院	Institution	10	15%	92%
478	憲	Constitution	28	15%	92%
479	招	Beckon	27	15%	87%
480	博	Exhibition	28	15%	89%
481	悩	Worry	27	15%	90%
482	真	Reality	16	15%	91%
483	退	Retreat	27	15%	85%
484	捕	Catch	25	15%	84%
485	含	Include	25	15%	86%
486	速	Fast	10	15%	87%
487	細	Thin	17	14%	92%
488	和	Peace	9	14%	89%
489	究	Research	8	14%	88%
490	料	Fee	13	14%	90%
491	誕	Birth	22	14%	90%
492	折	Fold	14	14%	90%
493	試	Try	9	14%	88%
494	避	Dodge	38	14%	94%
495	妖	Supernatural	40	14%	92%
496	亭	Restaurant	50	14%	95%
497	衆	Populace	28	14%	88%
498	貢	Tribute	43	14%	87%
499	刷	Printing	43	14%	93%
500	由	Reason	7	14%	89%

“% who demote it” is the share of learners (min 10) who have dropped this kanji to a lower SRS stage at least once. Aggregated and anonymized.