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Lifecycle Investing: Accumulation to Decumulation

The Accumulation Phase

During accumulation (age 25-55), the priority is maximizing long-term growth. Time horizon allows aggressive allocation—90/10 stock/bond in your 20s-30s, gradually shifting to 70/30 by your 40s-50s. The most powerful accumulation tool is consistent saving rate, not investment selection. Increasing your savings rate from 10 percent to 15 percent of income has more impact on final wealth than earning an extra 1 percent annual return. A 25-year-old saving $500/month at 8 percent for 40 years accumulates $1.55 million. Increasing to $750/month reaches $2.33 million—50 percent more contribution yields 50 percent more wealth because the contribution rate dominates at this stage.

Lifecycle Investing: Accumulation to Decumulation

The Accumulation Phase

During accumulation (age 25-55), the priority is maximizing long-term growth. Time horizon allows aggressive allocation—90/10 stock/bond in your 20s-30s, gradually shifting to 70/30 by your 40s-50s. The most powerful accumulation tool is consistent saving rate, not investment selection. Increasing your savings rate from 10 percent to 15 percent of income has more impact on final wealth than earning an extra 1 percent annual return. A 25-year-old saving $500/month at 8 percent for 40 years accumulates $1.55 million. Increasing to $750/month reaches $2.33 million—50 percent more contribution yields 50 percent more wealth because the contribution rate dominates at this stage.