1. Uptown Funk -Mark Ronson ft. Bruno Mars
The single has been commercially successful, spending six weeks at number one on the UK Singles Chart, three weeks at number one on the US Billboard Hot 100, and topped the charts in several other countries including Australia, Canada, Ireland, France and New Zealand. The single holds the title of the all-time most streamed track in a single week in the United Kingdom, having been streamed a record 2.56 million times in a single week.
2. Thinking Out Loud -Ed Sheeran
The song has also reached the top spot in Ireland, New Zealand, Denmark, and the Netherlands, and is also Sheeran’s highest charting US single to date, peaking at number two on the Billboard Hot 100. As of January 2015, it has sold 1 million copies in the US.
3. Blank Space -Taylor Swift
“Blank Space” was a critical and commercial success, having reached number one on the US Billboard Hot 100 following “Shake It Off”. Swift became the first woman in the Hot 100’s 56-year history to succeed herself at the top spot. The song has also topped charts in Canada, South Africa and Australia. It was included in several critic’s year-end lists and was the second and the sixth best song according to TIME and Rolling Stone. In January 2015, “Blank Space” was ranked at number three on The Village Voice ’s annual year-end Pazz & Jop critics’ poll, one rank before “Shake It Off”.
4. Take Me To Church -Hozier
The song entered the Irish Singles Chart in October 2013 and reached number one, where it stayed for four weeks. In May 2014, Hozier performed the song on the Late Show with David Letterman. It was sent to US Modern Rock radio on 24 June 2014 by Columbia Records. It eventually reached number two on the Billboard Hot 100 in December 2014, becoming his first top-five single there. The song has sold over a million copies in the US as of November 2014. The track has since been reached top 5 in many other countries including Australia, Canada, Ireland, Italy, New Zealand and United Kingdom. For the 57th Annual Grammy Awards, the song was nominated for Song of the Year. Hozier co-produced the track with Rob Kirwan. Kirwan also mixed the track.
5. Shake It Off -Taylor Swift
“Shake It Off” received mostly positive reviews from music critics, who praised its musical style. Meanwhile, the music video received mixed reception, and was additionally criticized for a scene which involved twerking. “Shake It Off” debuted at number one on the Billboard Hot 100 chart for the week ending September 6, 2014, becoming Swift’s second number-one single in the United States and the 22nd song to debut at number one in the chart’s history. The song won Favorite Song at the 2015 People’s Choice Awards, and also received nominations for Record of the Year, Song of the Year and Best Pop Solo Performance at the 2015 Grammy Awards.
6. Lips Are Movin’ -Meghan Trainor
“Lips Are Movin” received mostly positive reviews from music critics, comparing it to Trainor’s previous single, “All About That Bass” and stating the song changed Trainor’s one-hit wonder status to becoming a rival for current successful female pop acts. Commercially, “Lips Are Movin” became Trainor’s second consecutive single to reach the top five in Australia and on the U.S. Billboard Hot 100, where it has peaked at numbers three and four respectively. It also marked the singer’s third top ten hit in New Zealand, where it reached number five.
7. I’m Not the Only One -Sam Smith
The song has reached number three in the UK Singles Chart and number five on the Billboard Hot 100, his third top 10 in the U.S. and second as a solo artist. An official remix of the track, featuring two verses from American rapper A$AP Rocky, premiered on 9 September 2014.
8. Sugar -Maroon 5
“Sugar” received generally positive reviews from music critics who praised its catchy feel and retro vibe. Following the release of V, the song debuted in South Korea and peaked at number 13 on the international Gaon Digital Chart and 77 on the main chart. In the US, it debuted at number eight on the Billboard Hot 100, becoming their third consecutive top ten single from V. Film director David Dobkin shot the accompanying music video for the single in Los Angeles in December 2014. Inspired by the 2005 romantic comedy, Wedding Crashers, it features Maroon 5 crashing and coming uninvited on weddings happening in the city on that day. The video premiered on January 14, 2015, and will have its first television air on January 17.
9. Jealous -Nick Jonas
“Jealous” has peaked at No. 7 on the US Billboard Hot 100, consequently becoming Jonas’s highest charting single in the United States to date. The single has also peaked at No. 1 on the US Hot Dance Club Songs chart. “Jealous” has also peaked at No. 2 on US Billboard Mainstream Top 40 and No. 10 on the Billboard Canadian Hot 100.
10. All About That Bass -Meghan Trainor
“All About That Bass” is a bubblegum pop, doo-wop song in the retro style of the 1950’s and 1960’s, containing a complex mix of a variety of genres. Lyrically, it is a call-out to embrace inner beauty, positive body imagery and self-acceptance. The song was released on June 30, 2014, as the EP and album’s lead single and received favorable reviews from music critics for its catchy tune and throwback sound. The track’s lyrical content, however, became subjected to controversy with critics dismissing it for anti-feminism and cultural appropriation. NBC‘s Today named “All About That Bass” as 2014’s “Song of the Summer”. Listed as one of the year’s best songs by a variety of publications, it has earned two nominations at the 57th Annual Grammy Awards for Record of the Year and Song of the Year.
All information is found on Wikipedia.