According to Spotify's press release:
WW
1. Drake (feat. Wiz Kid, Kyla) – One Dance
2. Calvin Harris (feat. Rihanna) – This Is What You Came For
3. Sia – Cheap Thrills
4. The Chainsmokers (feat. Daya) – Don’t Let Me Down
5. Justin Timberlake – CAN’T STOP THE FEELING
6. Drake (feat. Rihanna) – Too Good
7. Desiigner – Panda
8. Fifth Harmony (feat. Ty Dolla $ign) – Work From Home
9. Mike Posner – I Took A Pill In Ibiza (Seeb Remix)
10. Shawn Mendes – Treat You Better
Playlist (Top25):
https://open.spotify.com/embed/user/...GPn4yonf73yz4H
Poland
1. Drake (feat. Wiz Kid, Kyla) – One Dance
2. Calvin Harris (feat. Rihanna) – This Is What You Came For
3. Sia – Cheap Thrills
4. David Guetta (feat. Zara Larsson) – This One’s For You
5. The Chainsmokers (feat. Daya) – Don’t Let Me Down
6. Justin Timberlake – Can’t Stop The Feeling
7. Galantis – No Money
8. Twenty One Pilots – Heathens
9. Kungs, Cookin' On 3 Burners – This Girl (Kungs Vs. Cookin’ On 3 Burners)
10. Shawn Mendes – Treat You Better
Rank is based on songs activity in period 6/1 - 8/31