2 weeks before the wedding reminder

That would be extremely rude. You should have contacted those that did not respond to the RSVP to see if they were attending. If you haven't submitted your final head count, you could still do so.

If a guest didn’t RSVP you need to follow up with them to see if they are or aren’t coming not just assume it’s a no.

View Quoted Comment I haven’t sent my head count yet. Is it still rude or too late to make sure?

Did you contact the non responders after your rsvp date? If not do it now.

You need to contact these people ASAP! Divide and conquer.

How many people/households is it?

Invitations may be lost in the mail.

Seriously? You were suppose to have contacted the people in whom you haven't received RSVPs from.

I had 2 couples I called and their RSVP got lost in the mail, one showed up 4 days after the wedding. You're just going to tell those people "Hey sorry the USPS sucks but you better not show. up!!"?

View Quoted Comment Thanks I didn’t know about that. I’m not a wedding expert, that’s why I am asking

View Quoted Comment 50 people - 35 confirmed
I’ll contact them today

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Well how were you planning to give your caterer a headcount if you didn't collect RSVPs from every guest? You need to follow up with people to get a definitive answer.

Since your numbers are not in yet I would split the list of non responders up and make lists for you and your FH to call. It will be done in no time and then you can confirm who is in fact coming and who is not coming. This way you get your answers and everyone is contacted :-) Hope this helps! Congrats on the upcoming wedding!

View Quoted Comment Thanks a lot !

View Quoted Comment Thats a nice amount still missing. Be firm but kind when you call/text/email and give them 24hrs.

Definitely make some calls today and tell them you are turning in your head count in 24 hours. If you don't hear from them, let your caterer know not to expect them.

I would assume a no and contacting them might be putting them on the spot - unless you know
you had troubles with invites getting lost,’I would conclude they are not attending. If you are worried about having enough food at the reception, most catering services add 10% to
their food totals. Best wishes!!

Definitely contact them today. As PP have said, sometimes RSVPs get lost in the mail - it's actually pretty common. You can say something like "Hi X, I didn't receive your RSVP and I need final numbers by 5pm tomorrow (You don't want to give them the actual deadline your caterers require, if it's not too late try to do it a few days before). If I don't hear back from you by then, I will have to assume you are a no. Hope to hear from you soon!"

View Quoted Comment Thank you so much for your help
Doing it right now, we actually just asked for the electronic rsvp on the website that’s why I posted here to make sure how to address them and it’s been so stressful that I forgot lol but it’s gonna be all good

Don't assume that no rsvp is a no. Like a pp said the rsvp may have been sent and is lost in the mail. USPS is notorious for things getting lost. If it was electronic you may have had some not so tech savy folks thinking they did it right and didn't. Just a quick call is all you need.

Sorry for everyone berating you on here - don't stress, just get your head count quickly and efficiently by doing as PPs have suggested and calling to figure out whether or not they are coming - I think your wording just threw people off as it wouldn't be perceived as nice to get a call saying "you didn't RSVP so don't show up!" but rather just say "we didn't hear back from you, just wanted to confirm whether or not you planned to attend?"

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Lol berating. ok.

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You're supposed to contact people. You are supposed to put them on the spot. Literally. You sent out an RSVP date for a reason. They've had plenty of time to think about whether or not they can make it.

At this point, you definitely need to put them on the spot.

Concluding a "No" without asking them isn't right. Even if you don't know if things got lost in the mail, there is always a possibility that things did. They could have sent an RSVP that said "Yes" that never got back to you.