List of number-one singles in Ostland by year

2018
The top singe of the year was CRAZY SOLUTION by TheJoint, Diego Steen and Maaasster, a trap, hip-hop and R&B song. It spent two consecutive weeks at number one, and other 27 in the top ten. The second best-selling single was Jumpsuit by Twenty One Pilots, which broke the record for the most by-demand streams in a week for a song by a foreign act, with 6.8 million across the streaming platforms, and 5,9 million only on Spotify.

Other featured singles were D.O.W.N. by Anton Tronne (#3 Year End), Sunnsträling by R(Ones) (#4 Year End), and Elektroshock by Max Rittsem (#6 Year End)

What Is Love? by Twice (#37 Year End) and Fake Love by BTS (#29 Year End) were the only Korean songs to top the Ostlandic Top 100 chart during 2018, being the third and fourth Korean songs to achieve numer one in Ostland's history, after Gangnam Style by PSY in 2012, and As If It's Your Last by Blackpink in 2017.