# Aiko discography

This is the discography of Japanese singer and songwriter Aiko. All of Aiko's songs are distributed by Japanese media company Pony Canyon.

## Albums
### Studio albums

List of studio albums, with selected chart positions, sales and certifications :
| Title | Album details | Peak positions | Sales (JPN) | Certifications |
| Title | Album details | JPN | Sales (JPN) | Certifications |
| Chiisa na Marui Kōjitsu (小さな丸い好日; Little Calm Good Day) | Release: April 21, 1999 Label: Pony Canyon Formats: CD, digital download | 31 | 138,000 | |
| Sakura no Ki no Shita (桜の木の下; Under the Cherry Blossom Tree) | Release: March 31, 2000 Label: Pony Canyon Formats: CD, digital download | 1 | 1,418,000 | RIAJ: 4× Platinum |
| Natsufuku (夏服; Summer Clothing) | Release: June 20, 2001 Label: Pony Canyon Formats: CD, digital download | 1 | 987,000 | RIAJ: Million |
| Aki Soba ni Iru yo (秋 そばにいるよ; Autumn Is Beside Me) | Release: September 4, 2002 Label: Pony Canyon Formats: CD, digital download | 2 | 506,000 | RIAJ: Platinum |
| Akatsuki no Love Letter (暁のラブレター; Love Letter of Daybreak) | Release: November 27, 2003 Label: Pony Canyon Formats: CD, digital download | 1 | 523,000 | RIAJ: 2× Platinum |
| Yume no Naka no Massugu na Michi (夢の中のまっすぐな道; The Straight Ahead Path in a Dream) | Release: March 2, 2005 Label: Pony Canyon Formats: CD, digital download | 1 | 474,000 | RIAJ: 2× Platinum |
| Kanojo (彼女; Girlfriend) | Release: August 23, 2006 Label: Pony Canyon Formats: CD, digital download | 1 | 462,000 | RIAJ: 2× Platinum |
| Himitsu (秘密; Secret) | Release: April 2, 2008 Label: Pony Canyon Formats: CD, digital download | 1 | 263,000 | RIAJ: Platinum |
| Baby | Release: December 16, 2009 Label: Pony Canyon Formats: CD, digital download | 1 | 208,000 | RIAJ: Platinum |
| Toki no Silhouette (時のシルエット; Silhouette of Time) | Release: June 20, 2012 Label: Pony Canyon Formats: CD, digital download, | 1 | 148,000 | RIAJ: Gold |
| Awa no You na Ai Datta (泡のような愛だった; It Was a Love Like Foam) | Release: May 28, 2014 Label: Pony Canyon Formats: CD, digital download | 1 | 117,000 | RIAJ: Gold |
| May Dream | Release: May 18, 2016 Label: Pony Canyon Formats: CD, CD/DVD, CD/Blu-ray, digital download | 1 | 96,000 | RIAJ: Gold |
| Shimetta Natsu no Hajimari (湿った夏の始まり; Beginning of a Humid Summer) | Release: June 6, 2018 Label: Pony Canyon Formats: CD, digital download | 3 | 63,000 | |
| Dōshitatte Tsutaerarenai Kara (どうしたって伝えられないから; I Can't Tell You Why) | Release: March 3, 2021 Label: Pony Canyon Formats: CD, CD/DVD, CD/Blu-ray, digital download | 2 | | |
| Ima no Futari o Otagai ga Miteru (今の二人をお互いが見てる; The Two of Us Are Looking at Each Other Now) | Release: March 29, 2023 Label: Pony Canyon Formats: CD, digital download | 1 | 30,210 | |
| Zan Kokoro Zansho (残心残暑; Late Summer Heat) | Release: August 28, 2024 Label: Pony Canyon Formats: CD, digital download | 5 | 32,361 | |

### Compilation albums

List of compilation albums, with selected details, chart positions, sales and certifications :
| Title | Album details | Peak positions | Sales (JPN) | Certifications |
| Title | Album details | JPN | Sales (JPN) | Certifications |
| Matome I (まとめI; Conclusion I) | Release: February 23, 2011 Label: Pony Canyon Formats: CD, digital download | 2 | 380,000 | RIAJ: Platinum |
| Matome II (まとめII; Conclusion II) | Release: February 23, 2011 Label: Pony Canyon Formats: CD, digital download | 3 | 342,000 | RIAJ: Platinum |
| Aiko no Uta. (aikoの詩。; aiko's Songs) | Release: June 5, 2019 Label: Pony Canyon Formats: 4CD, 4CD+DVD | 1 | 89,195 | |
| "—" denotes items that did not chart. |||||

### Independent albums

| Release date | Title | Notes |
| August 1996 | Doty Omnibus CD Vol.1 (ドーテイオムニバスCD Vol.1) | Various artists album (participated in 3 songs) |
| December 20, 1997 | Astral Box | Mini album |
| May 30, 1998 | Girlie | Mini album |

## Singles

| Title | Year | Peak chart positions | Peak chart positions | Sales (JPN) | Certifications | Album |
| Title | Year | Oricon | Japan Hot 100 | Sales (JPN) | Certifications | Album |
| "Hachimitsu" (ハチミツ; Honey) | 1998 | — | — | | | Girlie |
| "Ashita" (あした; "Tomorrow") | 1998 | 16 | — | 30,000 | | Chiisa na Marui Koujitsu |
| "Naki Mushi" (ナキ・ムシ; "Crybaby") | 1999 | 26 | — | 57,000 | | Chiisa na Marui Koujitsu |
| "Hanabi" (花火; "Fireworks") | 1999 | 10 | — | 213,000 | RIAJ (physical): Gold | Sakura no Ki no Shita |
| "Kabutomushi" (カブトムシ; "Beetle") | 1999 | 8 | — | 242,000 | RIAJ (physical): Gold RIAJ (digital): Gold RIAJ (streaming): Silver | Sakura no Ki no Shita |
| "Sakura no Toki" (桜の時; "Cherry Blossom Time") | 2000 | 12 | — | 134,000 | | Sakura no Ki no Shita |
| "Boyfriend" (ボーイフレンド) | 2000 | 2 | — | 521,000 | RIAJ (physical): Platinum RIAJ (streaming): Platinum | Natsufuku |
| "Hatsukoi" (初恋; "First Love") | 2001 | 3 | — | 322,000 | RIAJ (physical): Platinum | Natsufuku |
| "Rosie" (ロージー) | 2001 | 2 | — | 146,000 | RIAJ (physical): Gold | Natsufuku |
| "Oyasuminasai" (おやすみなさい; "Good Night") | 2001 | 2 | — | 162,000 | RIAJ (physical): Gold | Aki Soba ni Iru yo |
| "Anata to Akushu" (あなたと握手; "I Shake Hands With You") | 2002 | 6 | — | 102,000 | RIAJ (physical): Gold | Aki Soba ni Iru yo |
| "Kondo Made ni wa" (今度までには; "By This Time") | 2002 | 3 | — | 90,000 | | Aki Soba ni Iru yo |
| "Chouchou Musubi" (蝶々結び; "Butterfly Knot") | 2003 | 4 | — | 121,000 | RIAJ (physical): Gold | Akatsuki no Love Letter |
| "Andromeda" (アンドロメダ) | 2003 | 3 | — | 136,000 | RIAJ (physical): Gold | Akatsuki no Love Letter |
| "Eriashi" (えりあし; "Nape") | 2003 | 5 | — | 91,000 | RIAJ (physical): Gold | Akatsuki no Love Letter |
| "Kaban" (かばん; "Bag") | 2004 | 3 | — | 97,000 | RIAJ (physical): Gold | Yume no Naka no Massugu na Michi |
| "Hana Kaze" (花風; "Flowers in the Wind") | 2004 | 2 | — | 117,000 | RIAJ (physical): Gold | Yume no Naka no Massugu na Michi |
| "Mikuni Eki" (三国駅; "Mikuni Station") | 2005 | 2 | — | 93,000 | RIAJ (physical): Gold | Yume no Naka no Massugu na Michi |
| "Kirakira" (キラキラ; "Sparkle") | 2005 | 2 | — | 210,000 | RIAJ (physical): Platinum | Kanojo |
| "Star" ("スター") | 2005 | 4 | — | 111,000 | RIAJ (physical): Gold | Kanojo |
| "Kumo wa Shiro Ringo wa Aka" (雲は白リンゴは赤; "Clouds are White, Apples are Red") | 2006 | 3 | — | 89,000 | RIAJ (physical): Gold | Kanojo |
| "Shiawase" (シアワセ; "Happiness") | 2007 | 2 | — | 96,000 | RIAJ (physical): Gold | Himitsu |
| "Hoshi no Nai Sekai" (星のない世界; "World Without Stars") | 2007 | 2 | — | 112,000 | RIAJ (physical): Gold | Himitsu |
| "Yokogao" (横顔; "Face in Profile") | 2007 | 2 | — | 112,000 | RIAJ (physical): Gold RIAJ (digital): Gold | Himitsu |
| "Futari" (二人; "Two People") | 2008 | 3 | 4 | 82,000 | RIAJ (physical): Gold | Himitsu |
| "KissHug" | 2008 | 2 | 2 | 107,000 | RIAJ (physical): Gold | Baby |
| "Milk" | 2009 | 1 | 1 | 102,000 | RIAJ (physical): Gold | Baby |
| "Nageki no Kiss" (嘆きのキス; "Kiss of Grief") | 2009 | 1 | 57 | 102,000 | RIAJ (physical): Gold | Baby |
| "Modorenai Ashita" (戻れない明日; "Tomorrow That Won't Go Back") | 2010 | 1 | 1 | 75,000 | RIAJ (physical): Gold | Baby |
| "Mukaiawase" (向かいあわせ; "Face to Face") | 2010 | 2 | 2 | 68,000 | | Toki no Silhouette |
| "Koi no Super Ball" (恋のスーパーボール; "Super Ball of Love") | 2011 | 4 | 4 | 97,000 | | Toki no Silhouette |
| "Form" (ホーム; "Train Platform") | 2011 | 4 | 12 | 97,000 | | Toki no Silhouette |
| "Zutto" (ずっと; "Always") | 2011 | 4 | 3 | 64,000 | | Toki no Silhouette |
| "Loveletter" | 2013 | 2 | 2 | 60,000 | | Awa no You na Ai Datta |
| "4gatsu no Ame" (4月の雨; "April Rain") | 2013 | 2 | 38 | 60,000 | | Awa no You na Ai Datta |
| "Kimi no Tonari" (君の隣; "Beside You") | 2014 | 5 | 3 | 45,000 | | Awa no You na Ai Datta |
| "Atashi no Mukou" (あたしの向こう; "Beyond Myself") | 2014 | 4 | 5 | 52,000 | | May Dream |
| "Yumemiru Sukima" (夢見る隙間; "Dreaming Gap") | 2015 | 7 | 7 | 51,000 | | May Dream |
| "Puramai" (プラマイ; "Plus Minus") | 2015 | 5 | 4 | 35,000 | | May Dream |
| "Motto" (もっと; "More") | 2016 | 3 | 2 | 42,000 | RIAJ (digital): Gold | May Dream |
| "Koi wo Shita no wa" (恋をしたのは; "I Was In Love") | 2016 | 3 | 4 | 34,000 | | Shimetta Natsu no Hajimari |
| "Yokoku" (予告; "Notice") | 2017 | 3 | 4 | 31,000 | | Shimetta Natsu no Hajimari |
| "Straw" (ストロー) | 2018 | 6 | 6 | 27,000 | RIAJ (streaming): Gold | Shimetta Natsu no Hajimari |
| "Aozora" (青空; "Blue Sky") | 2020 | 6 | 6 | 22,197 | | Doushitatte Tsutaerarenaikara |
| “Honey Memory” ( ハニーメモリー) | 2020 | 3 | 3 | 20,340 | | Doushitatte Tsutaerarenaikara |
| "Negau Yoru" (ねがう夜; "Wishing Night") | 2022 | 4 | 17 | 19,745 | | Ima no Futari o Otagai ga Miteru |
| "Hateshinai Futari" (果てしない二人) | 2022 | 4 | 27 | 14,078 | | Ima no Futari o Otagai ga Miteru |
| "Akatoki Reload" (あかときリロード) | 2023 | — | 69 | | | Ima no Futari o Otagai ga Miteru |
| "Areta Kuchibiru wa Koi o Nakusu" (荒れた唇は恋を失くす) | 2023 | — | 49 | | | Ima no Futari o Otagai ga Miteru |
| "Radio" (ラジオ) | 2023 | — | 87 | | | Non-album single |
| "Hoshi no Furu Hi ni" (星の降る日に) | 2023 | 5 | 21 | 16,939 | | Hoshi no Furu Hi ni |
| "Mutual Love" (相思相愛) | 2024 | 5 | 7 | 18,851 | | Non-album single |
| "—" denotes releases that did not chart |||||||