AMERICAN TOP 40'S (Website chart) TOP SINGLES FOR 2019

No.-Song-Artist-Peak Month
 1 WITHOUT ME-HALSEY-FEBRUARY
 2 EASTSIDE-BENNY BLANCO,HALSEY & KHALID-March
 3 HIGH HOPES-PANIC! AT THE DISCO-January
 4 SUCKER-THE JONAS BROTHERS-June
 5 DANCING WITH A STRANGER-SAM SMITH & NORMANI-June
 6 HAPPIER-MARSHMELLO & BASTILLE-January
 7 SUNFLOWER-POST MALONE & SWAE LEE-February
 8 W0W.-Post Malone-July 
 9 I DON'T CARE-Ed Sheeran & Justin Bieber-August
10 TALK-Khalid-July
11 Sweet But Psycho-Ava Max-May
12 Thank U,Next-Ariana Grande-February
13 7 Rings-Ariana Grande-April
14 Bad Guy-Billie Ellish-August  
15 Truth Hurts-Lizzo-October
16 Close To Me-Ellie Goulding,Diplo & Swae Lee-April
17 Youngblood-5 Seconds Of Summer-January
18 Senorita-Shawn Mendes & Camila Cabello-September
19 Better-Khalid-April
20 If I Can't Have You-Shawn Mendes-August
21 Love Lies-Khalid & Normani-January
22 Break Up With Your Girlfriend,I'm Bored-Ariana Grande-May
23 Better Now-Post Malone-January
24 Breathin'-Ariana Grande-January
25 Girls Like You-Maroon 5 & Cardi B-January
26 Hey Look Ma,I Made It-Panic! At The Disco-August
27 Someone You Loved-Lewis Capaldi-November
28 Old Town Road-Lil Nas X & Billy Ray Cyrus-June
29 Goodbyes-Post Malone-October
30 Beautiful People-Ed Sheeran & Khalid-November
31 Only Human-Jonas Brothers-November
32 Beautiful-Bazzi & Camila Cabello-February
33 Be Alright-Dean Lewis-May
34 Sicko Mode-Travis Scott & Drake-February
35 Trampoline-Shaed-December
36 You Need To Calm Down-Taylor Swift-September
37 Who Do You Love-The Chainsmokers & 5 Seconds Of Summer-June 
38 This Feeling-The Chainsmokers & Kelsea Ballerini-March
39 Easier-5 Seconds Of Summer-September
40 Cool-The Jonas Brothers-July
41 God Is A Woman-Ariana Grande-January
42 Circles-Post Malone-November
43 How Do You Sleep?-Sam Smith-October
44 Me-Taylor Swift & Brendon Urie-July 
45 Lucid Dreams-Juice WRLD-January
46 Lie-NF-January
47 When The Party's Over-Billie Eilish-June 
48 Tequila-Dan + Shay-March
49 Speechless-Dan + Shay-August
50 Boyfriend-Ariana Grande & Social House-September

https://www.at40.com/charts/top-40-238/latest/