Based on 408 personal charts
Full chart here: http://www.tophitsonline.com/currentchart.htm

TW, LW, Weeks
1 1 19 *Telephone, Lady GaGa f/ Beyonce* (#1 for 3 weeks)
2 3 10 *Rude Boy, Rihanna
3 2 24 *Bad Romance, Lady GaGa* (#1 for 18 weeks)
4 5 12 *Whataya Want From Me, Adam Lambert
5 4 10 *If We Ever Meet Again, Timbaland f/ Katy Perry
6 9 8 *In My Head, Jason Derulo
7 10 9 *Blah Blah Blah, Ke$ha f/ 3OH!3
8 12 25 *Need You Now, Lady Antebellum
9 7 10 *Resistance, Muse
10 6 11 *Soldier Of Love, Sade
11 8 6 *Stylo, Gorillaz f/ Mos Def & Bobby Womack
12 11 26 *Hey, Soul Sister, Train
13 15 17 *According To You, Orianthi
14 16 8 *Parachute, Cheryl Cole
15 13 19 *Try Sleeping With A Broken Heart, Alicia Keys
16 17 14 *Empire State Of Mind II (Broken Down), Alicia Keys
17 25 21 *Halfway Gone, Lifehouse
18 14 6 *Starry Eyed, Ellie Goulding
19 28 11 *Heartbreak Warfare, John Mayer
20 24 12 *Imma Be, Black Eyed Peas

Based on 416 personal charts
Full chart here: http://www.tophitsonline.com/currentchart.htm

TW, LW, Weeks on chart
1 1 20 *Telephone, Lady GaGa f/ Beyonce* (#1 for 4 weeks)
2 2 11 *Rude Boy, Rihanna
3 6 9 *In My Head, Jason Derulo
4 8 26 *Need You Now, Lady Antebellum
5 3 25 *Bad Romance, Lady GaGa* (#1 for 18 weeks)
6 12 27 *Hey, Soul Sister, Train
7 4 13 *Whataya Want From Me, Adam Lambert
8 5 11 *If We Ever Meet Again, Timbaland f/ Katy Perry
9 7 10 *Blah Blah Blah, Ke$ha f/ 3OH!3
10 10 12 *Soldier Of Love, Sade
11 9 11 *Resistance, Muse
12 11 7 *Stylo, Gorillaz f/ Mos Def & Bobby Womack
13 14 9 *Parachute, Cheryl Cole
14 13 18 *According To You, Orianthi
15 15 20 *Try Sleeping With A Broken Heart, Alicia Keys
16 21 9 *On A Mission, Gabriella Cilmi
17 20 13 *Imma Be, Black Eyed Peas
18 17 22 *Halfway Gone, Lifehouse
19 26 9 *Carry Out, Timbaland f/ Justin Timberlake
20 19 12 *Heartbreak Warfare, John Mayer

Based on 410 personal charts
Full chart here: http://www.tophitsonline.com/currentchart.htm

TW, LW, Weeks
1 1 21 Telephone, Lady GaGa f/ Beyonce* (#1 for 5 weeks)
2 2 12 Rude Boy, Rihanna
3 4 27 Need You Now, Lady Antebellum
4 3 10 In My Head, Jason Derulo
5 6 28 Hey, Soul Sister, Train
6 7 14 Whataya Want From Me, Adam Lambert
7 8 12 If We Ever Meet Again, Timbaland f/ Katy Perry
8 5 26 Bad Romance, Lady GaGa* (#1 for 18 weeks)
9 9 11 Blah Blah Blah, Ke$ha f/ 3OH!3
10 11 12 Resistance, Muse
11 12 8 Stylo, Gorillaz f/ Mos Def & Bobby Womack
12 13 10 Parachute, Cheryl Cole
13 10 13 Soldier Of Love, Sade
14 23 7 Baby, Justin Bieber f/ Ludacris
15 22 7 Rock That Body, Black Eyed Peas
16 16 10 On A Mission, Gabriella Cilmi
17 31 4 The Only Exception, Paramore
18 29 4 Nothin' On You, B.o.B. f/ Bruno Mars
19 24 10 Rocket, Goldfrapp
20 19 10 Carry Out, Timbaland f/ Justin Timberlake

It's going to be a nice battle between the two Ladys and Rihanna in the coming weeks.

Based on 411 personal charts
Full chart here: http://www.tophitsonline.com/currentchart.htm

TW, LW, Weeks
1 1 22 *Telephone, Lady GaGa f/ Beyonce* (#1 for 6 weeks)
2 2 13 *Rude Boy, Rihanna
3 3 28 *Need You Now, Lady Antebellum
4 6 15 *Whataya Want From Me, Adam Lambert
5 5 29 *Hey, Soul Sister, Train
6 4 11 *In My Head, Jason Derulo
7 7 13 *If We Ever Meet Again, Timbaland f/ Katy Perry
8 9 12 *Blah Blah Blah, Ke$ha f/ 3OH!3
9 18 5 *Nothin' On You, B.o.B. f/ Bruno Mars
10 30 3 *Not Myself Tonight, Christina Aguilera
11 10 13 *Resistance, Muse
12 13 14 *Soldier Of Love, Sade
13 11 9 *Stylo, Gorillaz f/ Mos Def & Bobby Womack
14 14 8 *Baby, Justin Bieber f/ Ludacris
15 12 11 *Parachute, Cheryl Cole
16 8 27 *Bad Romance, Lady GaGa* (#1 for 18 weeks)
17 17 5 *The Only Exception, Paramore
18 25 14 *Naturally, Selena Gomez & The Scene
19 15 8 *Rock That Body, Black Eyed Peas
20 20 11 *Carry Out, Timbaland f/ Justin Timberlake

NMT

bieber
gaga

Based on 411 personal charts
Full chart here: http://www.tophitsonline.com/currentchart.htm

TW, LW, Weeks
1 1 23 *Telephone, Lady GaGa f/ Beyonce* (#1 for 7 weeks)
2 2 14 *Rude Boy, Rihanna
3 3 29 *Need You Now, Lady Antebellum
4 5 30 *Hey, Soul Sister, Train
5 4 16 *Whataya Want From Me, Adam Lambert
6 6 12 *In My Head, Jason Derulo
7 17 6 *The Only Exception, Paramore
8 9 6 *Nothin' On You, B.o.B. f/ Bruno Mars
9 7 14 *If We Ever Meet Again, Timbaland f/ Katy Perry
10 10 4 *Not Myself Tonight, Christina Aguilera
11 18 15 *Naturally, Selena Gomez & The Scene
12 11 14 *Resistance, Muse
13 23 4 *Acapella, Kelis
14 8 13 *Blah Blah Blah, Ke$ha f/ 3OH!3
15 28 3 *OMG, Usher f/ will.i.am
16 13 10 *Stylo, Gorillaz f/ Mos Def & Bobby Womack
17 15 12 *Parachute, Cheryl Cole
18 14 9 *Baby, Justin Bieber f/ Ludacris
19 12 15 *Soldier Of Love, Sade
20 37 14 *Alejandro, Lady GaGa

Based on 397 personal charts
Full chart here: http://www.tophitsonline.com/currentchart.htm

1 1 25 *Telephone, Lady GaGa f/ Beyonce* (#1 for 9 weeks)
2 6 6 *Not Myself Tonight, Christina Aguilera
3 2 16 *Rude Boy, Rihanna
4 3 32 *Hey, Soul Sister, Train
5 4 31 *Need You Now, Lady Antebellum
6 5 8 *Nothin' On You, B.o.B. f/ Bruno Mars
7 9 5 *OMG, Usher f/ will.i.am
8 7 18 *Whataya Want From Me, Adam Lambert
9 8 8 *The Only Exception, Paramore
10 12 6 *Acapella, Kelis
11 10 17 *Naturally, Selena Gomez & The Scene
12 15 16 *Alejandro, Lady GaGa
13 14 16 *Resistance, Muse
14 13 14 *In My Head, Jason Derulo
15 11 16 *If We Ever Meet Again, Timbaland f/ Katy Perry
16 16 8 *Once, Diana Vickers
17 18 17 *Heartbreak Warfare, John Mayer
18 19 18 *Break Your Heart, Taio Cruz f/ Ludacris
19 17 7 *Bittersweet, Sophie Ellis-Bextor
20 23 25 *Try Sleeping With A Broken Heart, Alicia Keys

Based on 390 personal charts
Full chart here: http://www.tophitsonline.com/currentchart.htm

TW, LW, Weeks
1 1 26 *Telephone, Lady GaGa f/ Beyonce* (#1 for 10 weeks)
2 2 7 *Not Myself Tonight, Christina Aguilera
3 5 32 *Need You Now, Lady Antebellum
4 4 33 *Hey, Soul Sister, Train
5 3 17 *Rude Boy, Rihanna
6 7 6 *OMG, Usher f/ will.i.am
7 6 9 *Nothin' On You, B.o.B. f/ Bruno Mars
8 8 19 *Whataya Want From Me, Adam Lambert
9 12 17 *Alejandro, Lady GaGa
10 10 7 *Acapella, Kelis
11 13 17 *Resistance, Muse
12 11 18 *Naturally, Selena Gomez & The Scene
13 9 9 *The Only Exception, Paramore
14 15 17 *If We Ever Meet Again, Timbaland f/ Katy Perry
15 16 9 *Once, Diana Vickers
16 14 15 *In My Head, Jason Derulo
17 35 5 *Your Love Is My Drug, Ke$ha
18 19 8 *Bittersweet, Sophie Ellis-Bextor
19 28 4 *All Night Long, Alexandra Burke f/ Pitbull
20 21 10 *I Never Told You, Colbie Caillat

Based on 402 personal charts
Full chart here: http://www.tophitsonline.com/currentchart.htm

TW, LW, Weeks
1 1 27 *Telephone, Lady GaGa f/ Beyonce* (#1 for 11 weeks)
2 2 8 *Not Myself Tonight, Christina Aguilera
3 4 34 *Hey, Soul Sister, Train
4 3 33 *Need You Now, Lady Antebellum
5 9 18 *Alejandro, Lady GaGa
6 5 18 *Rude Boy, Rihanna
7 7 10 *Nothin' On You, B.o.B. f/ Bruno Mars
8 6 7 *OMG, Usher f/ will.i.am
9 17 6 *Your Love Is My Drug, Ke$ha
10 8 20 *Whataya Want From Me, Adam Lambert
11 10 8 *Acapella, Kelis
12 11 18 *Resistance, Muse
13 19 5 *All Night Long, Alexandra Burke f/ Pitbull
14 12 19 *Naturally, Selena Gomez & The Scene
15 15 10 *Once, Diana Vickers
16 23 4 *Stop For A Minute, Keane f/ K'naan
17 47 2 *California Gurls, Katy Perry f/ Snoop Dogg
18 20 11 *I Never Told You, Colbie Caillat
19 13 10 *The Only Exception, Paramore
20 22 20 *Break Your Heart, Taio Cruz f/ Ludacris

Drug 17-9! Wats this based on

Personal charts.