Donor Retention: A Nonprofit Marketer’s Guide

For years, the nonprofit sector, like many industries, worked without the benefit of big data. Nonprofits celebrated every new donor as a victory—proof that their mission was resonating and their future was secure.  With each new donor relationship, the org was ensuring its future, right?

Unfortunately, that intuitive sense of forward momentum was wrong. We now have the benefit of a few decades of major reporting and analysis of nonprofit financials from organizations like the Fundraising Effectiveness Project. It turns out that new donors usually cost nonprofits money, and far fewer donors return for repeat donations than many orgs expected; the average is less than 50%.

Effective donor retention can determine the financial stability of a nonprofit organization over both the short and long term. If your organization can build a strong donor retention rate, you’ll have a base of loyal supporters that contributes to your financial sustainability and fuels your long-term impact.

But with donor retention rates declining across the sector, how can nonprofits turn one-time gifts into lasting donor engagement? In this guide, we’ll break down how to calculate your donor retention rate, and we’ll share proven strategies to boost engagement. You’re already making a difference—now let’s make sure your donor relationships are strong enough to power your mission for years to come.

What is donor retention?

Donor retention is a metric that captures how many donors give to your organization repeatedly. A retention-focused marketing strategy means concentrating on maintaining relationships with existing donors, and encouraging them to continue giving month after month, year after year. Focusing on relationship-building with retained donors offsets the high costs associated with a strategy that hinges on new donor acquisition. These givers, while important, typically require more outreach and donor management than recurring donors.

Organizations with low donor retention spend a huge amount of energy on courting new donors and impactful one-time gifts, while organizations that increase donor retention year-over-year can rely on cost-effective fundraising strategies that re-engage lapsed donors and nurture returning ones. These types of fundraising efforts are integral to any sustainable nonprofit fundraising model.

How Do You Calculate Donor Retention Rate?

To calculate your average donor retention rate, simply divide the number of repeat donors in a given year by the total number of donors from the previous year, and multiply by 100.

Donor Retention Rate = Return Donors in Y2 / All Donors in Y1

For example, if you had 100 donors in 2024 and 75 of them donated again in 2025, your retention rate would be 75%.

What’s The Difference Between Donor Acquisition and Donor Retention?

Both donor acquisition (i.e. finding new first-time donors) and donor retention (encouraging previous donors to give again) are crucial for fundraising success, but a strategy focused predominantly on acquisition is costly.

Acquisition involves raising awareness, generating leads, and converting interest into that first-time gift. Retention, on the other hand, focuses on the stewardship of existing relationships, providing exceptional donor journey experiences that deepen loyalty, and therefore inspire repeat donations. A high donor retention rate can be a key indicator of your organization’s future financial stability.

Why Donor Retention Matters

Donor retention isn’t just about financial sustainability; it’s about building a powerful community of dedicated advocates for your cause. Here’s why it matters.

• Increased Special Project Funds: While first-time donors often give based on personal interests or motivations, long-term donor relationships are shaped by the organization’s specific needs and asks. Over time, these supporters are more likely to contribute both small and major gifts aligned with your fundraising goals. That’s why outreach and fundraising events for special projects or initiatives tend to perform better when backed by a loyal donor base.
• Greater Stability: Monthly donors are a godsend that sustains your important work. A loyal donor base provides predictable income, allowing you to plan for the future and weather inevitable fundraising challenges. 
• Amplified Impact: Repeat donors often give more over time. A healthy repeat donor retention rate not only creates financial stability, but it signals trust in new and long-term supporters. 
• Advocacy Network and Community: Loyal donors become vocal advocates for your cause, spread awareness, and inspire others to contribute. They’re a natural expansion of your reach and a catalyst for building community united by a common goal.
• Increased ROI: Retaining existing donors is significantly cheaper than acquiring new one-time donors. Fundraising campaigns built for repeat donors increase the lifetime value of this important group of supporters and require less resources.

How Do You Know If Your Donor Retention Rate Is Healthy?

If you run a mission-driven organization, you have to know your donor retention rate. This metric is a financial fitness tracker for your organization. With it you can measure the impact of your retention efforts and identify areas for improvement. It also sheds light on your nonprofit’s donor attrition, the spooky phenomenon in which donors stop giving to a nonprofit organization over time.

Before you calculate these metrics, you need a donor management software system that puts your donor data to work. We love HubSpot for countless reasons, including its ability to produce valuable insights from donor databases.

What Is a Realistic Donor Retention Rate?

Healthy retention rates vary by sector, but a typical retention rate generally falls between 40% and 50%. Aiming to increase this number over time is a key indicator of a thriving donor-centric organization.

Is a 20% Donor Retention Rate Good?

20% retention may be considered good in some circumstances, but it’s below the industry average for nonprofits, which is generally between 40-50%. However, a 20% rate for specifically new-donor retention isn’t unusually low. See the clarification below.

Distinguishing Between New-Donor Retention and Repeat-Donor Retention

To dig more deeply into your organization’s donor retention rate, the next step is to calculate the retention rate separately for new-donors and repeat-donors.

For this process, “new donors” are defined as first-time donors from the previous year. To calculate your new-donor retention rate for last year (2025), you would first create a segment of all first-time donors in 2024. Then, determine how many donors from that list gave again for a second year in a row in 2025.

New Donor Retention Rate = Return New-Donors in Y2 / All New-Donors in Y1

New-donor retention rates are generally much lower than your overall retention rate, often around 20% for nonprofits, so don’t be alarmed if this subset of donors has dismal retention and a higher attrition rate. Once a donor gives more than once (becoming a repeat donor), it’s much easier to retain them.

This fact is why it is key for nonprofits to focus efforts on retaining first-time and new donors. If you can build a relationship over the first year and successfully encourage a donor to give a second time, your chances of a lifelong partnership have increased exponentially.

How Do You Motivate and Retain Donors?

The only way to keep donors engaged is to cultivate genuine connections. Here are some crucial strategies.

1. Personalize the Journey

Treat your donors as partners. Get to know their passions, preferred communication styles, and specific reasons for giving. Once you have a clear sense of your donors’ preferences and motivations, consider creating donor personas to help organize your communications for different kinds of stakeholders. 

Lean into personalized touchpoints that demonstrate the impact of their generosity. Customer relationship management (CRM) software helps you stay in communication by segmenting donor lists by their giving history, location, level of engagement, and more. Our favorite CRM, HubSpot, easily contextualizes email campaigns for each segment, using automation to further streamline communications.

Remember to lead with the forms of engagement that your community of givers respond to best. If peer-to-peer fundraising is their preferred method, use it! If direct mail yields a hearty response, print donation forms and send them like it’s 1999. 

Engaged donors are both fundraisers and evangelists who spread the word about your mission to their own networks. They’re critical in driving both community engagement and donations.

Bottom line: keep things as personal as possible. Handwritten thank-you follow up messages from board members and exclusive invitations create a sense of deep connection with your organization and your mission.

2. Show Impact Through Nonprofit Storytelling

Donors want to see their generosity translate into real-world change. Don’t just tell them about your mission; showcase it! Share well-designed annual reports each year. Include impact stories within regular communications. Use visuals, data, and beneficiary testimonials to paint a vivid picture. When you highlight the wins, your donors will become even more committed to your cause. Storytelling creates a sense of shared purpose and reinforces the power of their giving.

3. Go Beyond “The Ask”

Relationships shouldn’t revolve around fundraising drives. Volunteer events, educational workshops, and exclusive behind-the-scenes experiences ensure that donors feel actively involved in your mission.

4. Listen and Adapt

One-sided communication leaves donors with a sour taste in their mouths and a feeling of lack of connection. You’ll create authentic relationships by making dialogue a central part of your plans for engagement. Provide intentional forums for your donors’ concerns and preferences, with both in-person and virtual events (via social media, surveys, online socials, etc.). You’re more likely to hit fundraising benchmarks when your organization is receptive and actively committed to its improvement.

5. Celebrate and Recognize

Appreciation goes a long way! Publicly acknowledge the significant contributions of your major donors through naming opportunities, dedicated events, or donor walls. Celebrate milestones and anniversaries with personalized messages and gestures. Your supporters should know they’re valued and integral to your mission.

How Do You Retain Major Donors?

To retain your major donors, they need personalized attention with respect for their unique motivations and philanthropic goals. Here’s how to cultivate long-term generosity among your major donors.

• Build Deep, One-on-One Relationships: Invest in personal connections. Assign dedicated staff to understand donors’ individual giving journey, motivations, and long-term philanthropic goals. Regular in-person or virtual meetings, phone calls, and personalized updates allow you to forge trust and demonstrate genuine interest in their priorities.
• Offer Exclusive Engagement Opportunities: Go beyond generic invitations. Extend personal invitations to exclusive events, board meetings, or behind-the-scenes experiences that align with their interests. This provides a sense of VIP access and deepens their connection to your cause.
• Tailored Communication and Impact Reporting: Share stories of beneficiaries impacted by their generosity and highlight their unique role in creating positive change. This can sound overwhelming for organizations with limited staff, but something as simple as sending a personal email along with your annual report that includes a note explaining how their contribution made “x” possible can be a great, low-investment strategy for connecting directly.
• Public Recognition and Appreciation: Publicly acknowledge their significant contributions through naming opportunities, dedicated events, or donor walls. This fosters a sense of belonging and inspires others to follow their lead. Remember, major donors often value not just their own impact, but also influencing others to join the cause.
• Flexibility and Responsive Communication: Be attuned to their needs and preferences. Adapt to their preferred communication styles and engagement methods. This demonstrates respect and builds trust, laying the foundation for a long-lasting partnership.

When major donors feel truly valued, understood, and connected to your mission, they’re more likely to remain engaged and continue their generous support, even in challenging fundraising climates.

And while major donors are key for your organization, smaller donors often provide the backbone of an organization through monthly giving programs and grassroots community. Don’t fall into the temptation of ignoring smaller-level donors in favor of courting and retaining major donors alone.

Let’s Talk About Donor Retention Rates

We know (and love!) nonprofit marketing. From grassroots organizations to national campaigns to mutual aid efforts, we’re here for it. Ready to supercharge your donor retention rate?