There are multiple versions of the Core 6000 data, but in the JSON files available from iknow.jp:
- The first 2000 sentences contain 1033 kanji
- All sentences contain 1638 kanji
- The first 2000 vocabulary items contain 975 kanji
- All vocabulary items contain 1600 kanji
There are actually 703 entries that have two sentences, but I only considered the sentences listed first in the JSON files. Almost all of the sentences listed second are also used as the first sentence of another entry.
All kanji in the order they appear in the sentences:
日曜図書館行私絵見好京都寺多家遊話月仕事忙彼女来友達一緒宿題今朝早出使所泊飯作思車持郵便局切手買時間誰知本語同勉強新医者終映画聞上司杯飲言年雨少町番高電子供騒帰真面目学生熱明午後客様髪長冊旅葉意味分顔拭会議小字読校半始誕毎起春暖前別置部屋階若弟社近住姉銀働難先立呼大服安質問広数足駅座晩走帳入教歩紙頭痛売犬体丈夫直鳥飛雑誌次鞄酒古方中美元気写娘人楽色菓点取短猿木落息歯白機祖父病冬寒重胸払靴軽約束忘肉魚妹平仮名全覚狭赤着坊笑背授業週空漢国自転通探鉛筆声歌遅首速公園遠弱耳窓側席右浴肩凝寝昼消去引料理借荷物緑腕太開男結婚食英件秋送死乗台風倒閉工続円待低昨兄水泳得親愛母疲科経米向嬉腰海伝夏休鼻盗皿載悲留予定甘指十天暑土夜員計泣掛左曲腹嫌金要何無黄邪優晴汚茶履猫根毛伸二回締頃曇触駄欲違火喉渇三千貸六四付考戻程変試験頑張携帯降易歳建花咲辛八個停店五祝野球九酸答細七机類綺麗願届財布下冷口刻夕他法僕万富士山道桃青止期悪洗主当動線孫以外妻百才辺必地震治最世界増良選活進勤集東初信号受相撲力許減突然族比婦温泉合単辞調故怪我繰返種文章帽院厚薄川渡暗黒薬砂糖寄椅可散貼涼勝負記巡鳴段氏寿雪庭眼鏡厳残念果舞心配輪値助連浅草賑街眠橋緩産両阪運絶対並瓶注醤油碗決膝感皆懸命具壊復習眉濃呂湯吸流星零雲撮成貯簡似血驚喧嘩沸馳場徒卒音械基度準備接特反詳説就職涙肘枕路角警察素宅第域危険実功努術傷課確認際提案務化紀固池深普守失礼性格急被末再鍵傘鉄換改札塩績釣訪描非常複和用隣捨正移封筒港発給過苦静健康頼困例紹介室師採壁育途代昇飾殺量贈打談玄関利北位季節穴裏島岸陽隠牧馬牛蔵庫障船横景慣逃更組振迎珍有喜菜由濯乾替石鹸納豆西沈南励夢押戸昔亡仲森踊板測秘密凄式君奥是絡預趣幸勢幹往符鋏修支挨拶断桜品内尋叩卵氷蹴団敷交遭招鯉枚虫刺棚恐堂久迷惑掃除駐柱賃材豚焼匂痩塗投未箱波光踏握拾揺派練割坂博越廊井祭離燃巻破係録不乳救怖敬欠畳林弁寂尊慢籍恥洋混余神射怒申込独身随胃禁煙丸喫刊磨泥構噂噛包袋房腐貧乏憩舌丁寧枝折積現在商型限的効迫規則暇緊冒登嘘慮骨哀嬢謝報脱賀状干役片梅紅偉炊群粧革魔噌汁老柔棒襖冗額蚊億差扇掲示凍箸訳加費互滑激営拡姿周能判算戦争放吹参簿州防署統領券抵酔灰床挙儀航陰免証湖鍋臭敵缶器延雄雌勘畑誘俺微褒詰幅担律表研究完総臣均将敗悩汗豊抱輩眺紫尽顎袖形叱髭剃爪濡村拍弾姪秀犯捕協雷責任容況企漫拓整歓民列鶏異市患旦肌順層情諦懐製興偶設販影響態価般検討災害与令従告政競原因歴史叔田舎稼誤解句欧居怠府存雀適浮悔看護糸針退植幼稚農資傾契織逮求貿輸盛伴処管徴制株済技施党煮毒酢羨蝶蓋象徹頷剤咳蒸玉追挟造苛紺陸宛焦威端遣御沙汰購収了想療欄専視率渉恋環境叫拠望芸催犠牲暴獄軟応炒保崖義査癌衝舐暮門避唱掴倍識慌曖昧殴翌詫皮蛇添貨鳩級甥晦腫奇観抽詣硬鰻蒲区底餃福祉削贅沢浜裸漬刃損県論労疑卓漁涯監督賞講演含精導軍頂融哲清潔税源展編択析標逆益版共維到召奏希憶築印権宗善憲既央至像満較罪礎雰囲範援駆却裁継宇宙謎鈴魅齢否扱摩擦詩釈躍勧評瞬跳票顧項旧滞著操栄養純翻募霧訓依揃伺需承請殊捜官巨穏暦訴述僚批志児童裕致宣攻敏省香診劇抜狙妙剣貴脳撃候補条賛刷旨模抗乱嵐城筋皇各塀奪刑症祈勇爆策仰矛盾奮武沖縄慎系瞳輝等旗綿占永粋悟谷典王溢染臓液舗庁鍛衛透鮮穫俳恵睡絞黙属鑑覆臨飽燥憧墓稽縦飼隊塔崩遂拝衆炎照縮笛竹膚銭閣鋭吐粉略郊癖跡幕肯寮掘岩亀拳銃郷雇推薦倉襲丘譲渋装敢戚賢誓揮徳嫁宝狂粒旬膨縛極漠屈劣娯刀炭鐘丼潰兼序峠唇芽荒隅隔餅斜詞虹巣湿溶超湾径貝双塊惜頬爽枯愉快凡銅醜戴葬垂没芝圧綱揉掌揚縫儲脂憎索衣鈍麦噴鎖潜稲慰墨釘挿姓及昭澄恩矢汽秒彫絹恨羽砕嗅灯溺委覧奨宴沿蛍副霜濁朗促仏倣謙遜箋括弧塞斉稿栓麓柄盆罰薪騰距抑闘隙笹賭脅摘為己措審概挑獲核併拒廃枠耐酬堅軸兵聴誠熊称網滅埋扉控訂栽培妊娠烈秩肪孤津戒肝班妨偏胆繁漏嘆創晶紳溝遇腸肺洪華瞭衰墜柿痢忠蔑侵窮珠偽股棄閥裂錠淡卑徐襟臆唾虚菌伎芋菊泡蜂惨韓諸婿剝鉢幣鶴郡舟露獣尾峡架茎脈滝碁河奴乞
https://sites.google.com/site/ankinihongo/home/kore has a graph for the number of unique kanji in the sentences. It is based on an older version of the data from the Smart.fm API.
In the Core10Kv4 Anki deck:
- The kanji / kana versions of the vocabulary items contain 1926 unique kanji
- The kanji versions of the vocabulary items contain 2194 unique kanji
- The sentences contain 1956 unique kanji
That deck is full of errors though, but I haven't found the original data from the Japanese Sensei app anywhere.
Edited: 2013-11-10, 2:51 pm