[1] Bukarev earned his first cap with Bulgaria on 24 January 2001 in the 2:0 win against Mexico in a friendly match[2] and made a total of 4 appearances for his country.

[4] On 4 August 2017, following the departure of Nikolay Mitov, Asen Bukarev was appointed as caretaker manager of Levski Sofia.

[5] He moved back to assistant role on 8 August, following the appointment of Delio Rossi as manager.

Bukarev's father, Ivan, and his brother, Dimitar, are both employed within the field of medicine.

This biographical article related to association football in Bulgaria, about a midfielder, is a stub.