Liberal Democratic Party has been on top for almost two decades . Voters struggle with slow progress on economic policies . Democratic Party of Japan runs for its first majority . The Liberal Democratic Party has been in nearly continuous control of Japan 's parliament for more than five decades . DPJ 's Yukio Hatoyama has Western - style vision of change .
Liberal Democratic Party has been on top for almost two decades . Voters struggle with slow progress on economic policies . Democratic Party of Japan runs for its first majority . DPJ 's Yukio Hatoyama has Western - style vision of change .