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My Wedding Plan

Guides · October 9, 2026

Your guest list is your budget: what each guest costs, and who to invite

Venue and catering are more than half of an average wedding budget, and both grow with every name you add. So the guest list is the first budget decision, even though it rarely feels like one.

Wedding guests standing at an outdoor ceremony, seen from behind

What a guest costs

The Knot's 2026 Real Weddings Study surveyed 10,474 US couples married in 2025. They spent an average of $292 per guest, $8 more than the year before. Catering alone averaged $80 per person.

Guest countAverage total cost
1 to 50$17,100
51 to 100$27,200
More than 100$43,300

How big weddings actually are

The same study put the average at 117 guests, against 131 in 2019. Four in ten couples said they cut their guest count because of rising costs.

Type of weddingAverage guests
Hometown123
Destination, within the US92
Destination, abroad69

How many of the people you invite will come

This is the number everyone wants and nobody has measured well. What exists is two rules of thumb and one set of platform data.

  • Emily Post: 10 to 20% of invited guests typically send regrets. A rule of thumb.
  • The Knot: expect 75 to 80% of invited guests to attend. Also a rule of thumb.
  • RSVPify, a guest-list tool: 83% said yes across the events on its platform, counting people who never replied as a no. The post gives no year and no sample size.
  • After the RSVPs: in Zola's survey, 78% of couples married in 2024 had at least one guest who said yes and did not show up.

Do not plan on declines

It is tempting to invite 140 people to a room that holds 120 and count on some staying home. The posted capacity of a venue is a limit set under local fire and building codes, and your caterer bills for the count you confirm. Invite the number you can seat and pay for.

Where the etiquette guides agree, and where they do not

QuestionWhat the four guides say
Dividing the listEmily Post: half to each family. The Knot: half to the couple and a quarter to each set of parents. Zola and Brides: no formula.
Plus-onesAll four: spouses, fiancés and live-in partners are invited. The Knot and Brides add partners of over a year and everyone in the wedding party.
Saying adults-onlyEmily Post, The Knot and Zola: not on the invitation; address the envelope only to those invited, and explain on the website. Brides: a short line on the invitation is fine.
B-listEmily Post: do not. The Knot: fine, with the first round mailed at least four months out. Zola: fine, if it is not obvious. Brides: fine.
Shower guestsEmily Post, The Knot and Brides: they must be invited to the wedding. Emily Post excepts office showers; The Knot excepts very small and destination weddings.

A way to cut a list

  • Fix the number first, from your venue capacity and your per-guest quotes. Then fill it.
  • Agree how the list is divided between you and your families before anyone promises an invitation.
  • Pick rules instead of names: no coworkers, no children, partners only if you have met them. Rules are easier to defend than exceptions.
  • Apply each rule to everyone. Every guide above says the same thing about exceptions: they are what cause the hurt.

Sources:

General information for planning, not legal or financial advice. My Wedding Plan is independent and not affiliated with the sources cited.