Known by her English name Annie Kim,[7] she lived in Dallas, Texas, for eight years before returning to South Korea to become a singer.

[12] From January 22 to April 1, Kim represented MNH Entertainment on reality girl group survival show Produce 101.

[17] On June 30, it was revealed that Chung Ha would be having a cameo appearance on Korean drama, Entourage, along with groupmate Lim Na-young.

[19] On August 17, it was announced that Chungha would be collaborating with groupmates Choi Yoo-jung, Jeon So-mi, and DIA's Ki Hui-hyeon for the digital single, "Flower, Wind and You", which was produced by Boi B.

[23] On December 23, Chung Ha collaborated with Heo Jung-eun and HALO's Ooon for the holiday carol, "Snow in This Year", that was featured on the Korean drama, My Fair Lady.

[25] On April 21, she released her pre-debut single titled "Week", on the official M&H Entertainment YouTube account,[26] followed on June 7 by her debut EP, entitled Hands on Me, with the lead track "Why Don't You Know".

[32] On November 22, the first episode of her own reality show, Chung Ha's Free Month, was released on YouTube and NaverTV.

[34] On June 26, MNH Entertainment confirmed that she would be having a comeback on July 18 with her third mini-album titled Blooming Blue, with "Love U" serving as the lead single.

[37] Chung Ha collaborated with Super Junior's Yesung with the song, "Whatcha Doin'", with the music video released on December 16.

[40] Chung Ha released her fourth EP Flourishing on June 24, 2019, alongside the music video of the lead single, "Snapping".

[53][54] On December 12, 2019, Billboard published their list of the "25 Best K-pop Songs of the 2019", with Chung Ha's single "Gotta Go" ranked at number three.

[63][64][65] On March 10, MNH Entertainment announced that Chung Ha had signed with American agency, ICM Partners, for her America and global promotions.

The song was featured on Changmin's debut extended play Chocolate and talks about the emotions exchanged between lovers who feel love in different intensities.

[83][84] It was announced that Chung Ha would be a cast member in Law of the Jungle in Wild Korea, the first domestic filming in the programme history due to the COVID-19 pandemic.

[85][86] Chung Ha made a soundtrack appearance for the tvN drama Record of Youth with the track "You're In My Soul", released on September 14, 2020.

[93] She also missed the live press conference for the new show Running Girls, but made appearance as her parts were shown in the premiere.

[99] Chung Ha and the members of I.O.I celebrated their 5th debut anniversary with a reunion live stream show called "Yes, I love it!"

[104] On July 11, 2022, Chung Ha released the first part of her second full-length album Bare & Rare with its lead single "Sparkling".

[111] Chung Ha has stated singer-songwriter IU is her role model as she admires the way the soloist is able to sing, dance, and perform various other things.

[127] On February 9, 2023, Chung Ha donated ₩50 million to support low-income families' medical expenses on her 27th birthday through the Green Umbrella Children's Foundation.