Japanese ruling coalition, led by Prime Minister Junichiro Koizumi's Liberal Democratic Party (LDP), gained a comfortable majority in the House of Councillors with a total of 78 seats.
The LDP itself gained 64 seats, its larger partner the New Komeito party grabbing 13 seats. The New Conservative Party, the LDP's other coalition partner, won 1 seat.
The main opposition Democratic Party of Japan (DPJ) snatched 26 seats.
The election was held on Sunday. The official result will be announced later Monday morning.
Japanese ruling coalition, led by Prime Minister Junichiro Koizumi's Liberal Democratic Party (LDP), gained a comfortable majority in the House of Councillors with a total of 78 seats.