Believe it or not, a retirement in the near future is feasible, some financial advisers said. How much money someone needs to accumulate before retiring depends greatly on the individual’s circumstances and numerous factors. If you expect a shorter life expectancy and can live off $3,000 a month, you’d be right under the typical 4% withdrawal rate, said Kristin Sullivan, a financial adviser at Sullivan Financial Planning. “He could likely withdraw more in the early retirement years knowing his withdrawals would drop quite a bit when Social Security kicks in,” she said.