Do online petitions work and how many signatures do you need?

Do online petitions work and how many signatures do you need?
Can online petitions really create meaningful change? Does it need a lot of support behind it to make an impact? Discover the answers and find out all the details on what makes a persuasive petition in this guide.In this article you will learn:
The right to petition is a fundamental pillar of democracy. It means that citizens don’t have to sit idly by while their concerns are unknown or ignored by the officials in power. They can use petitions to voice their needs and call on the government and other leaders to address them.
But, whether you’re the person starting a petition or signing it, you might wonder what value and impact it really has. Can a petition actually do anything? Can it make a difference? Can it convince the people with authority to take the requested actions to solve problems and create positive change? We can definitively say: yes, it can.
Over 100,000 petitions on Change.org alone have won their goals, and many more have raised awareness of different issues — which is an achievement on its own. Change.org petitions have received over 5 billion signatures so far, showing that many people around the world want to support these causes.
Petitions that are thoughtfully and carefully created will have the strongest impact. Ones that are vague, lacking credible information and passion, or hastily slapped together will likely fall flat.
In this guide, find out more about what makes a successful petition and how much support you need behind it so you can create one that wins.
Why petitions work
Online petitions are a powerful tool for advocacy, driving awareness, influencing decision-makers, and mobilizing supporters. A single signature might seem small, but when combined with thousands or even millions, it becomes a powerful force for change. Here’s how petitions create impact:
Amplifying voices and public opinion
Petitions give individuals a platform to express concerns and demonstrate widespread support for an issue.
They serve as a visible signal of public sentiment, showing decision-makers the level of concern and urgency around a topic.
The more signatures a petition gathers, the harder it is for leaders, companies, or institutions to ignore.
Influencing media and public discourse
Journalists and media outlets can use the traction of online petitions to gauge public interest
A petition with significant engagement can turn an issue into a newsworthy story, amplifying its reach when it’s mentioned in newspapers or online publications.
Media coverage can put additional pressure on decision-makers to respond or take action.
Mobilizing supporters and driving action
Petitions help organizations and activists identify and connect with people who care about an issue.
Signing a petition is often the first step in civic engagement, encouraging supporters to take further action such as attending events, contacting officials, or donating to a cause.
Many successful campaigns use petitions as a foundation for larger movements, driving long-term advocacy efforts.
Online petitions democratize activism, making it easier for anyone — regardless of background or resources — to make their voice heard and contribute to meaningful change.
💡 Read the full guide to how to get a law changed
The impact of digital petitions
Here are just a few of many online petitions that have achieved major, profound results. Browse all the victories on Change.org to see the campaigns that have solved problems in local communities and even on a national level.
Freeing Virgilio Aguilar Mendez: Over 600,000 people signed a petition calling for the release of Virgilio Aguilar Mendez, a Guatemalan man wrongly convicted due to a flawed legal process. Thanks to public pressure, legal advocacy, and the petition's momentum, Virgilio was finally freed from prison in 2024.
Conversion therapy for minors ban in Canada: A petition urging the Canadian government to ban conversion therapy gained massive support. In response, Canada passed legislation in 2021, making conversion therapy illegal nationwide.
Starbucks eliminates plastic straws: A petition calling for Starbucks to stop using plastic straws gathered hundreds of thousands of signatures. In 2018, Starbucks announced it would phase out plastic straws globally by 2020, significantly reducing plastic waste.
Government returns deported immigrant: Maria Mendoza Sanchez, a dedicated oncology nurse in Oakland, CA, was deported to Mexico in 2017 despite living in the U.S. for over 20 years. A petition advocating for her return gained widespread support, alongside legislative efforts by Senator Dianne Feinstein and Representative Barbara Lee. Thanks to relentless community advocacy, Maria was able to return to the U.S. in 2018, reuniting with her children and demonstrating the power of public pressure in challenging unjust immigration policies.
Thousands have started and won petitions. Build awareness and support for your cause. → Start your petition today.
How many signatures does your petition need to win?
Whether you’re campaigning for significant, high stakes causes, or simple neighborhood issues like getting a speed hump on your street — how many signatures do you need to get results?
The answer depends on your goal. Here’s what you should know about gathering signatures and maximizing your petition’s effectiveness:
Petitions for a federal response
In the U.S., petitioning the federal government is a protected right under the First Amendment. While the Obama administration launched the “We The People” petition website, which guaranteed a formal response for petitions with at least 100,000 signatures, that platform was shut down in 2018. Now, federal petitions should be directed to elected officials, like your senators or representatives.
In Canada, there is no official government site for petitions either. Citizens can petition individual members of Parliament, and if the petition is supported by a member, it must collect 500 signatures to move forward.
Research government websites or ask your elected officials if and what the criteria is for petitions where you live.
Many petitions win with fewer signatures
You don’t need hundreds of thousands of signatures to make a difference. Many successful petitions on Change.org have fewer signatures but still create significant change.
For example, a petition to save a community mural in Los Angeles gained over 42,000 signatures (with a goal of 50,000) after local officials instructed a business to remove a mural. The petition resulted in a productive dialogue with the mayor’s office, leading to a mutually agreeable solution.
Another petition that received 570 signatures asked for the installation of metal detectors in Barrow County schools following a tragic incident at a Georgia high school. The petition called for funding to implement this safety measure and urged the Barrow County School System to prioritize student protection. In response, the school board authorized the purchase of the metal detector system.
A petition successfully convinced the Sunbury City Council to join the Penn State Local Climate Action Plan (LCAP) program to improve the city’s sustainability and flood resilience with just 150 signatures.
While it’s tempting to focus on the number of signatures, each one represents a real person who supports your cause. Even a petition with a few hundred signatures can make a meaningful impact.
🔎 See more examples of petitions that win at every level
How to maximize your petition’s support and awareness
Creating a petition is just the beginning. Your next steps depend on your cause’s scope (local, state, or national) and the stakeholders who can implement change. Here are four ways to amplify your petition and move your cause forward:
1. Add your decision-maker’s email to your petition
Once your petition reaches over 100 signatures, Change.org will notify your decision-maker. You can also include their email address in the content of your petition so your supporters can email them directly as well. Imagine a decision-maker getting dozens of emails on the same topic—it’s a powerful way to get their attention.
2. Keep supporters engaged
Unlike paper petitions, Change.org allows you to send email updates to your supporters. Use this feature to re-engage them, encouraging further actions like sharing the petition or contacting representatives.
3. Attract media attention
Leverage your petition to gain media exposure. Organize events such as rallies, attending city hall meetings, and protests and use your petition to inform and mobilize your supporters. Larger crowds often attract media interest, amplifying your message.
4. Share personal stories
Make your petition more compelling by sharing personal stories from your supporters. Use the comments section to gather quotes and experiences that highlight the importance of your cause. You can add these to your petition description and share them on social media.
This adds a human element that resonates with others, like the following example from a petition that successfully saved a Fine Arts Director position at a high school.

Key steps for creating a successful petition
Keep these best practices in mind when developing your petition to get the best results.
Define your mission
A successful petition has a clear, actionable goal. Make sure your “ask” is specific and focused so that it’s easy for decision-makers to understand and act on.
Set a realistic goal
Start with a realistic primary target, but remember that success is also about raising awareness and sparking conversation, not just hitting a signature count or securing the original, ultimate request.
Write a compelling petition
Craft a strong message with clear, accessible language. Include personal stories, data, or testimonials to make your petition more persuasive. Use our complete guide to writing a petition.
Promote your petition
Getting the word out is just as important as creating the petition. Share it on social media, encourage others to do the same, and reach out to organizations that might support your cause.
Deliver the petition
Once you’ve gained public support, deliver your petition to the decision-makers. Whether you present it in person, by email, or through social media, do what you can to get their attention and pressure them into action.
Make change with an online petition
Petitions are more than just a collection of signatures; they are a powerful tool for change. Whether you're rallying for local change or national action, your petition can spark conversations, influence decision-makers, and even shape public policy. Strategic efforts like engaging supporters, using media attention, and focusing on a clear goal can create real, lasting impact.


