Annual rates of return can vary significantly and will depend upon your asset allocation and other variables. Generally, higher target returns carry greater risk.
If the IRA holder turns 70½ this year, he or she can defer the first distribution until April 1 of the next year. If the holder is older, he or she would normally be required to take an RMD before December 31 of this year. RMDs are considered taxable income for the year in which they are taken.