In 2021，Bulgaria held three parliamentary elections due to two failures to form a government，all with record low turnouts. The newly formed “We Continue the Change” party won the latest elections and successfully formed a cabinet. President Rumen Radev was re-elected for another 5-year term. According to the European Commission’s 2021 Rule of Law Report，lack of supervision over the judiciary，no progress in combating high-profile corruption，and political interference in the media were still serious problems in Bulgaria. In terms of economy，inflation in Bulgaria was serious，and prices of energy，electricity and daily necessities were soaring. The sixth summit and business forum of the Three Seas Initiative was held in Sofia，the capital of Bulgaria，and the relations between Bulgaria and North Macedonia broke the ice at the end of the year. The Bulgarian delegation to the Tokyo Olympics achieved good results that surpassed pandemic concerns，political events and soaring prices to become a social event that attracted most public attention in 2021. With low motivation for vaccination against the unabating COVID-19 pandemic，the Bulgarians strongly opposed the “green passport” proposed by the government. In addition，Bulgaria held its 18^th population census，revealing negative demographic trends such as a declining aging population. Unaffected by the pandemic，China and Bulgaria maintained a good strategic partnership in 2021. Diplomatic activities were frequent at the government level，cultural exchanges among the people were diversified，and the bilateral trade reached a record high.