A native of Sakai in Ibaraki Prefecture and a graduate of Nihon University, he was elected to the House of Representatives for the first time in 1976.
Both his parents were involved in politics and both became members of the Upper House of the Diet; his father and namesake from 1965 to 1971 and his mother, Tomi Nakamura, from 1972 to 1977.
[5] Nakamura left the Liberal Democrats but managed to remain in the Diet throughout several elections by running as an independent while the case was going through the courts.
In the 2021 general election he ran as a member of the Constitutional Democratic Party and lost for the first time in his career but managed to gain a seat through the Northern Kanto proportional representation block.
His son Hayato Nakamura ran in his stead and gained his father's old seat in the Ibaraki 7th.