The first APJSO was held in Tokyo, Japan, in 1993.

30 countries participated in the 2022 APJSO, which was held in Jakarta, Indonesia.

The APJSO competition consists of three subjects: Biology, Chemistry, and Physics. Mathematics is not included.

Each country is represented by a team of four students in the APJSO.

The maximum score that a student can achieve in each subject in the APJSO is 100 points.

China has won the most APJSO gold medals since the competition's inception, with a total of 101 gold medals as of 2022.

The top-scoring student in each subject in the APJSO is awarded a Gold Medal.

The 2023 APJSO was held in Hanoi, Vietnam.

The APJSO competition consists of two rounds: a written round and an experimental round.

The written round in the APJSO lasts for 2 hours.

The experimental round of the APJSO consists of 20 questions.

The APJSO competition takes place over a period of 3 days.

China won the overall championship in the 2022 APJSO, with a total of 101 medals (30 gold, 35 silver, and 36 bronze).

The APJSO is organized by the Asia-Pacific Economic Cooperation (APEC).

The 2024 APJSO will be held in Sydney, Australia.