Abe was born on November 24, 1875, in
Kanazawa,
Ishikawa Prefecture, the son of the former
samurai Abe Nobumitsu, who had served the
Kaga Domain. His brother-in-law was
Imperial Japanese Navy admiral Shigeyoshi Inoue. Abe attended Tokyo No.1 Middle School (
Tokyo Metropolitan Hibiya High School) followed by No.4 High School. While he was still a student, he volunteered for military service during the
First Sino-Japanese War. After the war, Abe graduated from the
Imperial Japanese Army Academy in November 1897. Commissioned a second lieutenant the following 27 June, he was promoted to lieutenant in November 1900 and attended the Army Artillery School, graduating in December 1901. Promoted to captain in November 1903, he enrolled in the 19th class of the
Army War College, graduating in November 1907. The
ultranationalist General
Araki Sadao was one of his classmates. Abe was promoted to major in December 1908, becoming an instructor at the Army War College in September 1909. In November 1910, he was posted to the
German Empire as a military attaché at the Japanese embassy and became a supplementary attaché at the embassy in Vienna in February 1913. Abe was promoted to lieutenant colonel in February 1915 and to colonel on 24 July 1918. He served as the commander of the 3rd Field Artillery Regiment from 1918 to 1921. In August 1918, his regiment was sent to Siberia during Japan's
Siberian Intervention but never saw combat. He became secretary of the Army War College on 3 June 1921, and was promoted to major general on 15 August 1922. Appointed Director of the General Affairs Division of the Imperial General Staff on 6 August 1923, following the devastating earthquake of 1 September, he was placed in charge of overseeing martial law for the Kanto region on 3 September. He was appointed director of military service affairs in the Army Ministry on 28 July 1926 and was promoted to lieutenant general on 5 March 1927. He later served as chief of the Military Affairs Bureau and as
Vice Minister of the Army, which he had been appointed as on 10 August 1928. He commanded the
4th Infantry Division from 22 December 1930. In January 1932, Abe was appointed to command the
Japanese Taiwan Army and was promoted to full
general on 19 June 1933. After serving on the
Supreme War Council, he was placed on the reserve list on 10 March 1936. ==Premiership (1939–1940)==