Baby boomers are often said to be the luckiest generation financially — but millennials will be better off than their parents in retirement, survey finds

• Millennials' retirement prospectives are rosier than boomers, according to research from Vanguard.
• Gen Xers and older millennials are set to replace a bigger proportion of their pre-retirement income.
• Generational differences actually grow significantly as income increases.

Millennials have better retirement prospectives than boomers, according to research from investment advisor Vanguard.