Group of 7 seeks way forward for aging, faltering economies

Leaders of the Group of Seven rich nations plan to voice unity over fighting terrorism, pandemics and tax evasion at their summit in Japan this week. Finding a consensus on how to breathe life into their sluggish economies is proving more elusive.

Aging workforces, sagging productivity and lingering damage from the 2008 financial crisis are complicating efforts to spur growth while the effects of the slowdown in China and the other big developing economies ripple across the globe.

Ahead of the summit meetings that begin Thursday, finance ministers and central bank governors of the G-7 meeting in northern Japan failed to concur on a coordinated approach to fighting what Nobel...