Americans prefer economic ties with China rather than Japan, said a poll conducted by Pew Research Center, a Washington-based think tank.
Former Japanese Prime Minister Tomiichi Murayama intends to attend the memorial events in China marking the 70th anniversary of the victory of anti-Japanese war in September, local media reported on Friday.
Abe will miss a chance for Japan's reconciliation with other Asian nations if he shuns the ceremonies at the Lugou Bridge.
Following a three-year hiatus, the Seventh Trilateral Foreign Minsters' Meeting, which included China, Japan and South Korea, was held on Saturday in Seoul.
Beijing raises concerns over a range of military, security policy issues with Tokyo
Foreign and defense officials from China and Japan kick off a high-level security meeting in Tokyo, the first one between the two sides since 2011.
Secretaries-general of Japan's ruling coalition parties plan to undertake a three-day visit to Beijing next week, aiming to promote confidence-building between Japan and China.
The two nations will hold a security dialogue later this month in Japan, Chinese Foreign Ministry spokeswoman Hua Chunying said on Friday.
If Japan plans to regain trust from its neighboring countries, it needs to squarely look at its wartime history and be apart from the past.
A top executive from Japan's ruling party is to head a 3,000-strong delegation to China in May, the latest indication of a thaw in the relationship between the two neighbors.
Japanese lawmaker Toshihiro Nikai will bring a 3,000-strong delegation to China in late May this year, aimed at improving bilateral relations.
Japanese Prime Minister Shinzo Abe spoke highly of his meeting with President Xi Jinping during a press conference on Tuesday.