Based on your inputs, here is what the numbers reveal. Starting at age 45 with $100,000 in savings, contributing $250 monthly, and assuming a 4% annual return, after 22 years you will have $339,735.79 in total retirement savings. That sounds like a solid amount, but the real test is what that money can generate in retirement.

Applying the 4% withdrawal rule — which suggests you can safely withdraw 4% of your savings each year without running out of money — gives you only $13,589.43 in annual income. Compared to your target of $100,000 per year, you face a staggering income gap of $86,410.57. The calculator marks your plan as not on track, meaning significant adjustments are needed to close that gap.

The primary drivers of this result are your current age (you're starting later), the modest monthly contribution, and the relatively low expected return. Even with 22 years of compounding, the combination isn't enough to reach your goal.

Let's compare your current plan with a few alternatives. If you were to increase your monthly contribution from $250 to $1,000, your retirement savings would rise to approximately $546,000 (assuming the same 4% return). That would provide about $21,840 per year — still far below $100,000 but a meaningful improvement. To reach $100,000 annual income under the 4% rule, you would need $2.5 million in savings. That would require saving roughly $4,500 per month starting at age 45, which is unrealistic for most people.

Another angle: if you started saving at age 25 instead of 45, with the same $250 monthly contribution and 4% return, you'd have about $240,000 by age 45 (thanks to 20 extra years of compounding). Then continuing until 67, your total could exceed $1 million, providing $40,000+ per year. Starting earlier makes a huge difference. Alternatively, delaying retirement to age 70 gives you 25 years to save, increasing your nest egg to roughly $380,000 and sustainable income to $15,200 — still insufficient but closer.

1. Boost your monthly savings: Even increasing from $250 to $500 per month nearly doubles your eventual savings to about $420,000, raising annual income to $16,800. Aim for 15-20% of your income.
2. Consider a later retirement age: Working until 70 instead of 67 adds 3 more years of contributions and delays withdrawals, giving you roughly $380,000 and more time for growth.
3. Reduce your desired retirement income: Lowering your target from $100,000 to $75,000 cuts the income gap in half. Focus on essential expenses and downsizing.
4. Explore higher-return investments: A 6% annual return instead of 4% could grow your savings to nearly $460,000, providing $18,400 per year. But be aware of increased risk.
5. Use catch-up contributions: After age 50, you can contribute extra to 401(k)s and IRAs. The annual catch-up limit for 401(k)s in 2025 is $7,500, which can significantly accelerate savings.