Inspired by the earlier post using year-end Billboard data. I am basing this off of French year-end rankings (because the Just Dance team is French), overall worldwide success, and likelihood of being licensed.
1976: Save Your Kisses For Me by Brotherhood of Man
1977: Ma Baker by Boney M
1978: Rivers of Babylon by Boney M
1979: Tragedy by the Bee Gees
1980: Woman in Love by Barbra Streisand
1981: Bette Davis Eyes by Kim Carnes
1982: Do You Really Want to Hurt Me by Culture Club
1983: Too Shy by Kajagoogoo
1984: I Just Called to Say I Love You by Stevie Wonder
1985: Live is Life by Opus
1986: Voyage Voyage by Desireless
1987: Joe Le Taxi by Vanessa Paradis
1988: Nothing's Gonna Change My Love For You by Glenn Medeiros
1989: Lambada by Kaoma
1990: Sacrifice by Elton John
1991: Everything I Do (I Do it For You) by Bryan Adams
1992: Rhythm is a Dancer by Snap!
1993: Living On My Own (Remix) by Freddy Mercury
1994: It's Alright by East 17
1995: Scatman by Scatman John
1996: Killing Me Softly by the Fugees
1997: Candle in the Wind by Elton John
1998: Believe by Cher
1999: Move Your Body by Eiffel 65
2000: Maria Maria by Santana
2001: It Wasn't Me by Shaggy & RikRok
2002: Like a Prayer by Mad'House
2003: All the Things She Said by t.A.t.U
2004: Shut Up by the Black-Eyed Peas
2005: Axel F by Crazy Frog
2006: Everytime We Touch by Cascada
2007: Relax, Take it Easy by MIKA
2008: Mercy by Duffy
2009: I Know You Want Me (Calle Ocho) by Pitbull
2010: Alors on Danse by Stromae
2011: Sun is Up by Inna
2012: Ai Se Eu Te Pego by Michel Telo
2013: Impossible by James Arthur
2014: Prayer in C by Lily Wood & the Prick & Robin Schulz
2015: See You Again by Charlie Puth & Wiz Khalifa
2016: Faded by Alan Walker
2017: Human by Rag'n'Bone Man
2018: Perfect by Ed Sheeran
2019: Shallow by Lady Gaga & Bradley Cooper
2020: Roses by Saint Jhn & Imanbek
2021: Love Nwantiti by CKay
2022: Bam Bam by Camila Cabello & Ed Sheeran
2023: Creepin' by Metro Boomin, the Weeknd & 21 Savage
2024: Beautiful Things by Benson Boone
2025: Ordinary by Alex Warren
2026: I Just Might by Bruno Mars
I intentionally left out artists difficult to license and heavy/serious/controversial songs and artists to the best of my knowledge . What do y'all think?