| SINGLET 19/90 | ||||
| sija | ed. | viikot | ||
| > | 1 | 12 | Raptori: Raptori (Megamania) | 2 |
| 2 | 1 | Madonna: Vogue (Warner Bros.) | 6 | |
| 3 | 3 | Snap!: The Power (Logic) | 6 | |
| > | 4 | 15 | London Boys: Chapel of Love (Teldec) | 2 |
| 5 | 2 | Raptori: Oi beibi / Tuhansien Sulojen maa (Megamania) | 11 | |
| > | 6 | 16 | Shooting Party: Let’s Hang On (PWL) | 2 |
| 7 | 4 | Alannah Myles: Black Velvet (Atlantic) | 10 | |
| > | 8 | 19 | Topi Sorsakoski & Agents: Leningrad (Parlophone) | 2 |
| > | 9 | 20 | ABC: The Look of Love 1990 (Neutron) | 2 |
| 10 | 23 | Billy Idol: Cradle of Love (Chrysalis) | 2 | |
| 11 | 5 | Kim Wilde: It’s Here (MCA) | 4 | |
| > | 12 | 25 | Barbarella: Fata Morgana (Toco) | 2 |
| 13 | 9 | Soul II Soul: A Dream’s a Dream (Virgin) | 4 | |
| 14 | 10 | Sinéad O’Connor: Nothing Compares 2 U (Chrysalis) | 14 | |
| 15 | 7 | Phil Collins: Something Happened on the Way to Heaven (WEA) | 4 | |
| 16 | 14 | Vaya con Dios: What’s a Woman (Ariola) | 4 | |
| 17 | 27 | Ressu Redford: Kuka on se oikea (Go Up) | 2 | |
| • | 18 | 22 | Skid Row: I Remember You (Atlantic) | 5 |
| • | 19 | 17 | Candy Flip: Strawberry Fields Forever (Mega) | 3 |
| 20 | — | New Kids on the Block: Cover Girl (CBS) | 1 | |
| 21 | 6 | Technotronic: This Beat Is Technotronic (Mega) | 5 | |
| > | 22 | — | Lapinlahden linnut: Vihtaasi on kustu (Parlophone) | 1 |
| 23 | — | Bruce Dickinson: Tattooed Millionaire (EMI) | 1 | |
| 24 | 11 | Sonia: Counting Every Minute (Chrysalis) | 3 | |
| >• | 25 | — | Pekka Ruuska: Rafaelin enkeli (Sonet) | 1 |
| • | 26 | 18 | The Blues Brothers: Everybody Needs Somebody (Warner Bros.) | 5 |
| • | 27 | 8 | Bad Boys Blue: The Final Megamix (Coconut) | 6 |
| >• | 28 | — | Salt-n-Pepa: Expression (FFRR) | 1 |
| • | 29 | re | Heart: All I Wanna Do Is Make Love to You (Capitol) | 5 |
| • | 30 | 24 | Barbarella: Sucker for Your Love (Toco) | 6 |
| SINGLET 20/90 | ||||
| sija | ed. | viikot | ||
| 1 | 2 | Madonna: Vogue (Warner Bros.) | 7 | |
| 2 | 1 | Raptori: Raptori (Megamania) | 3 | |
| 3 | 5 | Raptori: Oi beibi / Tuhansien Sulojen maa (Megamania) | 12 | |
| 4 | 3 | Snap!: The Power (Logic) | 7 | |
| 5 | 4 | London Boys: Chapel of Love (Teldec) | 3 | |
| 6 | 7 | Alannah Myles: Black Velvet (Atlantic) | 11 | |
| > | 7 | 13 | Soul II Soul: A Dream’s a Dream (Virgin) | 5 |
| 8 | 11 | Kim Wilde: It’s Here (MCA) | 5 | |
| > | 9 | 10 | Billy Idol: Cradle of Love (Chrysalis) | 3 |
| 10 | 17 | Ressu Redford: Kuka on se oikea (Go Up) | 3 | |
| 11 | 8 | Topi Sorsakoski & Agents: Leningrad (Parlophone) | 3 | |
| 12 | 9 | ABC: The Look of Love 1990 (Neutron) | 3 | |
| 13 | — | Depeche Mode: Policy of Truth (Mute) | 1 | |
| 14 | — | The Nights of Iguana: She Must Be in the Air (Poko) | 1 | |
| • | 15 | 6 | Shooting Party: Let’s Hang On (PWL) | 3 |
| 16 | 23 | Bruce Dickinson: Tattooed Millionaire (EMI) | 2 | |
| 17 | 14 | Sinéad O’Connor: Nothing Compares 2 U (Chrysalis) | 15 | |
| 18 | re | Del Garrett: Hollywood (Teldec) | 5 | |
| 19 | — | Sand Party: Lambada Festival (RCA) | 1 | |
| 20 | re | Iron Maiden: Can I Play with Madness (EMI) | 14 | |
| • | 21 | 12 | Barbarella: Fata Morgana (Toco) | 3 |
| 22 | 24 | Sonia: Counting Every Minute (Chrysalis) | 4 | |
| 23 | 22 | Lapinlahden linnut: Vihtaasi on kustu (Parlophone) | 2 | |
| 24 | — | Louie Louie: Sittin’ in a Lap of Luxury (Epic) | 1 | |
| • | 25 | 15 | Phil Collins: Something Happened on the Way to Heaven (WEA) | 5 |
| ·· | 26 | 20 | New Kids on the Block: Cover Girl (CBS) | 2 |
| • | 27 | 16 | Vaya con Dios: What’s a Woman (Ariola) | 5 |
| • | 28 | 21 | Technotronic: This Beat Is Technotronic (Mega) | 6 |
| 29 | — | Gary Moore: Still Got the Blues (Virgin) | 1 | |
| 30 | — | Amina: Belly Dance (Philips) | 1 | |
| SINGLET 21/90 | ||||
| sija | ed. | viikot | ||
| 1 | 1 | Madonna: Vogue (Warner Bros.) | 8 | |
| 2 | 3 | Raptori: Oi beibi / Tuhansien Sulojen maa (Megamania) | 13 | |
| 3 | 2 | Raptori: Raptori (Megamania) | 4 | |
| 4 | 4 | Snap!: The Power (Logic) | 8 | |
| > | 5 | 13 | Depeche Mode: Policy of Truth (Mute) | 2 |
| 6 | 14 | The Nights of Iguana: She Must Be in the Air (Poko) | 2 | |
| 7 | 5 | London Boys: Chapel of Love (Teldec) | 4 | |
| 8 | 6 | Alannah Myles: Black Velvet (Atlantic) | 12 | |
| > | 9 | 18 | Del Garrett: Hollywood (Teldec) | 6 |
| > | 10 | 19 | Sand Party: Lambada Festival (RCA) | 2 |
| 11 | 7 | Soul II Soul: A Dream’s a Dream (Virgin) | 6 | |
| 12 | 10 | Ressu Redford: Kuka on se oikea (Go Up) | 4 | |
| 13 | 8 | Kim Wilde: It’s Here (MCA) | 6 | |
| > | 14 | 16 | Bruce Dickinson: Tattooed Millionaire (EMI) | 3 |
| > | 15 | 24 | Louie Louie: Sittin’ in a Lap of Luxury (Epic) | 2 |
| 16 | 20 | Iron Maiden: Can I Play with Madness (EMI) | 15 | |
| > | 17 | 29 | Gary Moore: Still Got the Blues (Virgin) | 2 |
| > | 18 | 30 | Amina: Belly Dance (Philips) | 2 |
| 19 | 9 | Billy Idol: Cradle of Love (Chrysalis) | 4 | |
| >• | 20 | — | Papa Dee: Ain’t No Stopping Us Now (Teldec) | 1 |
| >• | 21 | — | Partners Rime Syndicate: 54-46 That’s My Number (Epic) | 1 |
| • | 22 | 22 | Sonia: Counting Every Minute (Chrysalis) | 5 |
| 23 | — | Stone: Empty Suit (Megamania) | 1 | |
| • | 24 | 17 | Sinéad O’Connor: Nothing Compares 2 U (Chrysalis) | 16 |
| >• | 25 | — | Lena Philipsson: Taboo Taboo (Big Bag) | 1 |
| • | 26 | 23 | Lapinlahden linnut: Vihtaasi on kustu (Parlophone) | 3 |
| • | 27 | 11 | Topi Sorsakoski & Agents: Leningrad (Parlophone) | 4 |
| • | 28 | 12 | ABC: The Look of Love 1990 (Neutron) | 4 |
| • | 29 | re | Pave Maijanen: Ikävä (Parlophone) | 2 |
| >• | 30 | — | Paul Young: Softly Whispering I Love You (CBS) | 1 |
| SINGLET 22/90 | ||||
| sija | ed. | viikot | ||
| 1 | 3 | Raptori: Raptori (Megamania) | 5 | |
| 2 | 1 | Madonna: Vogue (Warner Bros.) | 9 | |
| 3 | 2 | Raptori: Oi beibi / Tuhansien Sulojen maa (Megamania) | 14 | |
| 4 | 6 | The Nights of Iguana: She Must Be in the Air (Poko) | 3 | |
| 5 | 8 | Alannah Myles: Black Velvet (Atlantic) | 13 | |
| 6 | 5 | Depeche Mode: Policy of Truth (Mute) | 3 | |
| 7 | 4 | Snap!: The Power (Logic) | 9 | |
| > | 8 | 12 | Ressu Redford: Kuka on se oikea (Go Up) | 5 |
| 9 | 7 | London Boys: Chapel of Love (Teldec) | 5 | |
| 10 | — | ZZ Top: Doubleback (Warner Bros.) | 1 | |
| 11 | 23 | Stone: Empty Suit (Megamania) | 2 | |
| 12 | 11 | Soul II Soul: A Dream’s a Dream (Virgin) | 7 | |
| 13 | — | Kylie Minogue: Better the Devil You Know (PWL) | 1 | |
| 14 | 19 | Billy Idol: Cradle of Love (Chrysalis) | 5 | |
| 15 | 14 | Bruce Dickinson: Tattooed Millionaire (EMI) | 4 | |
| • | 16 | 9 | Del Garrett: Hollywood (Teldec) | 7 |
| 17 | 16 | Iron Maiden: Can I Play with Madness (EMI) | 16 | |
| • | 18 | 10 | Sand Party: Lambada Festival (RCA) | 3 |
| 19 | re | New Kids on the Block: Cover Girl (CBS) | 3 | |
| 20 | 17 | Gary Moore: Still Got the Blues (Virgin) | 3 | |
| 21 | — | New Kids on the Block: Step by Step (CBS) | 1 | |
| 22 | — | Was Not Was: Papa Was a Rolling Stone (Fontana) | 1 | |
| • | 23 | 13 | Kim Wilde: It’s Here (MCA) | 7 |
| 24 | — | Alannah Myles: Love Is (Atlantic) | 1 | |
| • | 25 | 15 | Louie Louie: Sittin’ in a Lap of Luxury (Epic) | 3 |
| 26 | — | Roxette: It Must Have Been Love (EMI) | 1 | |
| 27 | — | Iron Maiden: Purgatory (EMI) | 1 | |
| 28 | — | Lisa Stansfield: What Did I Do to You (Arista) | 1 | |
| • | 29 | 18 | Amina: Belly Dance (Philips) | 3 |
| 30 | — | Hausmylly: Töpselituija (Power) | 1 |