What percentage of wedding guests RSVP no?

The short answer: estimate by group, then track real replies

No single percentage fits every wedding, so build your estimate from the groups on your own list and correct it with the replies you actually receive.

Say you have 160 names and a venue that holds 120. The question is not “what do weddings average?” but “which of these 160 people are likely to say no, and why?” A guest list of mostly local friends behaves very differently from one full of relatives who would need a flight and a hotel. Two weddings with the same invitation count can end up with headcounts that are far apart.

The method has three steps. First, sort your list into groups that share a reason to come or to stay home. Second, write a low, a likely, and a high number of yeses for each group. Third, as replies come in, replace the estimate with the real answer, group by group, until nothing is left to guess.

That gives you something you can defend to your parents and to the venue: not a rule of thumb, but a count with reasons attached.

Why the internet rule of thumb is not a planning number

The familiar advice that 10 to 20 percent of invited guests will decline is repeated everywhere, but we could not find a study behind it that reports how many people were invited and how many came.

We looked for a dated survey that compares invited guests with guests who attended. The most cited industry study we found, The Knot 2026 Real Weddings Study, collected self-reported answers from 10,474 US couples married between January 1 and December 31, 2025. It reports an average guest count of 117. The release does not say whether that figure counts people invited or people who attended, and it gives no RSVP or decline rate. So it tells you how big weddings tend to be, not how many invitations turn into seats.

A rule of thumb also hides the things that drive the answer: how far people travel, what the wedding costs them, whether it falls on a holiday weekend, whether children are welcome. A flat percentage averages all of that away. It may feel safe, but if your list is unusual, it can leave you with a room that is too full or half empty.

The estimate worksheet: build your own number

Fill in the worksheet below with your own counts and judgment: one row per group, with the factors that could keep people home and the number of yeses you expect.

Work through it in order. Start with the invited count for each group, which comes straight from your guest list. Then read the factors column and ask honestly how many people in that group each factor applies to. Put your expected yes in the next column, and use the notes column for the name of someone you can ask to confirm.

Do it three times: a cautious pass where many say no, a likely pass, and a hopeful pass where nearly everyone comes. The gap between the cautious and hopeful totals is your real planning range. If the hopeful total is above your venue capacity, you have a decision to make. If the cautious total leaves the room feeling empty, you have a different one.

The last row compares your total with your venue capacity. Use the venue’s stated capacity for a seated dinner, not the cocktail-party number, and ask them whether staff, a band, and a dance floor count against it.

Which groups tend to decline more often, and why

Guests decline for practical reasons far more often than personal ones, so look at what the wedding asks of each group instead of how close they are to you.

• Travel. Anyone who needs a flight, a hotel, and time off work is weighing real cost. The farther away they live, the more each of those factors counts.
• Cost. Hotel rooms, gifts, attire, and a long weekend add up. Guests early in their careers or with their own families to cover often decline for money and say something vaguer.
• Timing. School breaks, holidays, big sports weekends, and other weddings the same month all pull yeses down. Check the date against the calendar of your largest groups.
• Children not invited. If you invited adults only, parents of young kids may not find childcare for an evening, or for a trip.
• Plus-ones that are not offered. Someone who cannot bring their partner may skip a wedding where they would know few people.
• Distance of the relationship. Coworkers, acquaintances, and parents’ friends often have less pull to travel or rearrange a weekend. This is a factor, not a rule: some of them will come gladly.
• Health and age. Older relatives may find a long ceremony, a late reception, or a flight hard, and may decline even when they very much want to be there.

None of these is a percentage, and that is deliberate. Each is a reason to look at a group on your list and ask whether it applies. A group of ten local friends who have been to every event you have hosted is a different case from ten relatives across the country.

In MyWedding Planner, the guest list is organized by household, with categories such as family and friends and an adult or child tag for each guest. That makes the grouping above quick to set up: you can filter the list by category and see who is a child and which household each guest belongs to.

Inviting in two waves: when it helps and when it offends

Sending a second round of invitations after the first round’s replies can close the gap between your dream list and your venue, but it only works if the second-wave guests never feel like substitutes.

It helps when your list is much longer than your capacity and you have a clear split between people you cannot imagine the day without and people you would love to have. The first wave goes to the first group, early enough that the answers come back with time to spare. As soon as no’s arrive, you invite from the second group to fill those seats.

It offends when guests can tell. A few things give it away: a second-wave invitation that arrives far later than the first, friends comparing notes, a save-the-date that went to some people and not others, or a wedding website that is already full of replies. If a guest in the second wave is close to a guest in the first wave, they will compare, so keep the groups apart by relationship, not by closeness to you.

• Send the first wave early. The sooner replies arrive, the more time you have to send the second wave without a rushed date.
• Set the second wave’s deadline too. Do not leave a late invitation with the same cut-off as everyone else.
• Keep groups together. Invite whole groups, such as the full team of coworkers, in the same wave so nobody sees a gap.
• Do not promise a wave. Do not tell anyone they are “on the list” unless they are going to get an invitation.

If the idea makes you uncomfortable, trust that. Another option is to trim the list now, or choose a larger room. Our guide on building your guest list covers how to make those cuts.

From estimate to real count: track replies as they come in

Enter every reply on your guest list the day you get it, and your estimate turns into a count without any extra work.

Replies arrive from several places: the wedding website, a text, a call, a comment at a family dinner. In MyWedding Planner, guests can reply online on your published wedding website, by person or by household, with their meal choice, and those replies fill your guest list, your meals, and your seating chart. Publishing the site is included in the one-time payment, and the free trial needs no card. If a reply reaches you another way, you enter it yourself, and you can see who has not answered yet.

The app does not send anything to your guests. You share the link and you chase the missing replies yourself. Our guide on what to do when guests don’t RSVP has a follow-up schedule and messages to copy.

As answers arrive, rework your worksheet. When a group is fully answered, replace its expected yes with the real number. You will see quickly whether your cautious, likely, or hopeful pass was closest, and you can adjust the groups still outstanding. That is also your signal to decide on a second wave, if you want one.

The number your caterer and venue need, and when

Your caterer and venue need a final guaranteed headcount by a date written in your contract, so ask each of them for that date and for their policy on changes after it.

That date, not the RSVP deadline on your invitation, is the one that matters. Set your RSVP deadline well before it, so you have time to chase the last replies and still hand over a firm number. Ask the caterer how late changes work, and whether they bill by the number you guarantee or by the number who eat. Policies differ, so get the answer in writing.

Hand over the number you have, not the number you hope for. If you still have a few unanswered households, count them as no and tell them you did. Our guide on the final headcount for your caterer walks through what to give and when. If you are also planning a dinner the night before, remember that its list is a separate count: see the rehearsal dinner guest list.

With real replies in hand, you can tell your parents and the venue something precise: how many have said yes, how many have said no, and how many you are still waiting on.