How to leave a legacy with Indexed Universal Life (IUL) insurance

June 24, 2025

To leave a legacy is to make a lasting impact—one that endures across generations. While wills and trusts remain key pillars of traditional estate planning, life insurance has emerged as a powerful, often underappreciated, component of a well-rounded legacy strategy.

Among the various insurance optionsIndexed Universal Life (IUL) insurance stands out for its ability to bridge long-term financial stability with legacy intent. It offers a flexible, forward-looking approach that helps individuals not only preserve wealth but also pass it on to future generations; and if used as part of a holistic plan, one can ensure the family’s values, purpose, and vision is endured into future generations.

What is legacy planning and why does it matter? 

Legacy planning is more than dividing wealth. It’s a conscious, strategic approach to defining how your life’s influence continues beyond your time, ensuring that the people and causes you care about are supported for generations to come.

A comprehensive strategy for legacy planning with life insurance1 brings more than just financial clarity. It safeguards capital, respects personal values, and equips successors to thrive with a sense of purpose and security. Whether it’s providing for children, protecting a family business, or supporting a favourite charity, the right plan reflects your life’s deeper goals.

Importantly, legacy planning can also help preserve family unity. By clearly outlining your intentions, beneficiaries are less likely to face confusion or conflict, allowing your legacy to unfold as envisioned.

For High Net Worth (HNW) or Ultra-High Net Worth (UHNW) individuals, the stakes are even higher. A well-designed legacy plan not only helps leave values and intentions as a legacy but also shields assets from erosion, eases generational transitions, and enables philanthropic giving aligned with your family’s beliefs.

Traditional legacy planning approaches

Historically, legacy planning has revolved around legal structures, including wills, trusts, and charitable foundations. These tools have long enabled individuals to direct the transfer of wealth, minimise tax exposure, and structure long-term giving strategies.

Assets such as family-run businesses and real estate have also played a central role in passing down financial strength and core family values. However, the evolving complexity of modern families and financial instruments has prompted a need for more dynamic solutions.

Today, many individuals are complementing these traditional strategies with modern approaches, such as legacy insurance, which adds flexibility, liquidity, and protection to estate plans that may otherwise be rigid or limited in scope.

The role of life insurance in legacy planning

Life insurance has become a vital component in modern estate planning. Its benefits go far beyond the traditional death benefit. It provides liquidity precisely as neededhelping beneficiaries settle estate taxes or cover living costs without selling off key assets.

Here’s how three types of life insurance compare:

  1. Term Life Insurance2: Offers temporary protection at low costs but without cash value or flexibility. Typically best suited for short-term needs.
  2. Whole Life Insurance: Provides lifetime coverage with fixed premiums and a guaranteed cash value. It is more stable but less adaptable to changing legacy goals.
  3. Indexed Universal Life (IUL): Combines long-term protection with investment-linked growth and flexibility, making it a highly effective tool for those seeking to leave a legacy while maintaining control and access during their lifetime.

Why IUL insurance stands out in legacy planning

Indexed Universal Life (IUL) insurance3 is unique in that it offers both protection and performance, delivering a death benefit along with a growing cash value tied to a stock market index (such as the S&P 500), without direct market exposure.

Key advantages of Indexed Universal Life (IUL) insurance include:

1. Growing your wealth through cash value

IUL policies build cash over time, based on market index performance. This growing fund can be accessed while you’re alive—for education, gifting, or philanthropy—without triggering immediate tax penalties. It becomes a living asset, not just a payout.

 2. Flexibility in premiums and benefits

Unlike fixed insurance plans, IUL allows for flexible premium payments and adjustable death benefits. You can adapt your policy as your family, wealth, or tax environment changes—essential for strategic legacy insurance planning.

3. Protection against market downturns

While IUL offers upside potential through market-linked gains, it includes floor guarantees that shield against negative returns. This means your legacy assets are protected from volatility, which preserves long-term value for beneficiaries.

4. Strategic living benefits

The accumulated cash value isn’t locked away. It can be used for charitable donations, early inheritance, or medical needs, helping policyholders make a meaningful impact during their lifetime, while still maintaining a structured payout after passing.

How IUL supports lasting legacies

IUL offers a structured yet highly flexible approach to legacy planning with life insurance. It ensures continuity for dependents while supporting strategic philanthropic, educational, or other long-term initiatives that reflect your values.

Some families use the policy’s cash value to fund university endowments or charitable foundations during the insured’s lifetime, while preserving the death benefit to support their heirs. This balance between lifetime impact and future protection makes IUL a valuable part of a thoughtful legacy plan.

A well-structured IUL policy can also help reduce the impact of estate taxes. When combined with tools such as trusts or other estate vehicles, it facilitates smooth wealth transfer across generations, often outside of probate, while protecting your assets from unnecessary taxation or delays.

More importantly, an IUL signals foresight. It shows your family’s future has been considered with care, and that you’ve chosen to leave a legacy not only in wealth but in preparation and purpose.

Building a legacy strategy with IUL

Effective legacy planning begins with reflection. Before making any decisions, it’s important to consider key questions such as:

  • What kind of impact do I want to make?
  • Which values or causes matter most to me?
  • Who among the next generation is ready to carry the torch?

Once those questions are explored, a qualified financial advisor becomes essential in shaping a strategy that aligns with your broader estate objectives. For HNW or UHNW individuals or families, an adviser can assess whether a tailored IUL policy fits within your goals and values.

Working together with tax consultants or legal professionals, your adviser can help structure premiums, integrate the policy into trusts or philanthropic frameworks, and ensure compliance with local regulations, making IUL a strong asset in your legacy planning with life insurance.

Legacy planning is not a one-time event; it is an ongoing process. As families grow, assets diversify, and objectives evolve, so too must the estate plan. Regular reviews of your insurance policies and legacy structures help ensure they remain aligned with your long-term vision.

Crafting a thoughtful wealth and estate plan

Developing a comprehensive wealth or estate plan is a process that requires reflection, clarity, and long-term perspective. It involves evaluating not only what you own, but also what you value and how you want those values to be reflected in the future for generations to come.

This process typically includes:

  • Defining your long-term personal and financial objectives
  • Envisioning the kind of legacy you wish to leave
  • Assessing your financial capacity beyond retirement requirements
  • Cataloguing your assets (e.g., businesses, real estate, investment portfolios, and liquid funds)
  • Considering the location of your assets and any legal or tax implications across jurisdictions
  • Identifying your beneficiaries and understanding their unique needs
  • Determining your comfort level with transferring assets during your lifetime versus after your passing

Each of these steps plays a role in building a legacy plan that reflects both strategy and heart, especially when enhanced by tools like legacy insurance and IUL policies, which can help preserve wealth and purpose across generations.

Mark your mark with legacy insurance solutions

This type of planning takes time, expertise, and meaningful conversations with the right professionals. A financial or estate adviser can guide you through this process, often working alongside legal, tax, and accounting experts to craft a plan that reflects both your personal and financial goals.

As legacy strategies become more sophisticated, many individuals and families are turning to solutions like Indexed Universal Life (IUL) insurance. When paired with traditional estate instruments, such as wills and trusts, IUL can enhance both control and flexibility, making it easier to leave not just financial capital but also a lasting purpose and impact as a legacy.

To determine whether this approach is right for you, speak to a qualified financial adviser who understands your long-term vision and can tailor a strategy to support it.

Frequently Asked Questions (FAQ)

IUL offers market-linked growth, flexibility in contributions, and long-term protection, ideal for supporting complex estate, philanthropic, or succession plans.

It can fund trusts, cover estate taxes, and equalise inheritance across beneficiaries, streamlining the wealth transfer process.

Yes. The death benefit provides tax-free liquidity that can be used to settle estate tax obligations, helping avoid the forced sale of valued assets.

Absolutely. Policies can be tailored to support wealth tiers, charitable intentions, or multi-generational plans, making life insurance a strategic asset in legacy planning.

IUL can fund generational trusts and dynasty trust structures, allowing families to leave a legacy that extends far beyond a single lifetime.

At least annually, or when there are significant changes in family dynamics, tax laws, or estate objectives, to ensure the policy continues to support your evolving legacy strategy.

The contents of this article are derived from various sources obtained electronically, for convenience and information purposes only. It is not catered for any particular person or entity, may not represent the views of the general market or industry, and do not constitute financial, legal, tax or other advice. While Sun Life believes that the contents of this article are true and correct as at the time it is published, Sun Life has no obligation to update you of any contents of this article which may subsequently change, and Sun Life is not responsible for any loss or detriment that results from a sole reliance on the contents of this article. This article is not meant to be, and does not amount to, any solicitation or promotion of any investment or products or services, or any advice to purchase any insurance product. Before entering into any investment, buying an insurance policy or other financial product, or availing any services, you should take independent legal, tax, financial or other advice as you may deem fit, at your own costs and considering your own circumstances.

 Buying a life insurance policy is a long-term commitment. An early termination of the policy usually involves high costs and the surrender value payable (if any) may be less than the total premiums paid. This information article is for general information only and does not take into account the specific investment objectives, financial situation or particular needs of any specific person. You should seek advice from a financial adviser regarding the suitability of the policy before making a commitment to purchase. In the event that you choose not to do so, you should consider whether the product in question is suitable for you. This information brochure is not a contract of insurance. Please refer to the relevant insurance policy contract for the exact terms and conditions, specific details and exclusions.

1https://www.planyourlegacy.gov.sg/avoid-delay-and-disputes/

2https://www.investopedia.com/ask/answers/08/term-life-insurance.asp

3https://www.investopedia.com/articles/insurance/09/indexed-universal-life-insurance.asp

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