People without vaccinations rely on the majority to not get diseases.
Just say I have a group of 10 people, and only 1 person is not vaccinated. That one person is relying on the people around them, who are vaccinated to shield and not give them the disease.
But instead of one, or two, but 3 or more aren't vaccinated there is more chance of everyone getting diseases because less people have immunity to it.
There is a proper name for this, but I do not know it.

Isn't it called peer reliance or peer vaccination or something?
Sadly not enough people get that concept. It's really important for that one percentage of people that can't be vaccinated for health purposes (sadly they are also the cases negationists grasp at. It's like using the group most in danger if vaccinations of peers would dissappear in order to make it so. In effect they're actually endangering those people they use as proof...)

People in America usually aren't as educated in such matters, and are exposed to a lot of different propaganda and truths they are unable to really tell what is right and what isn't. Over here Vaccinations aren't the only thing people are saying is worse for you than good. There are enough people claiming that the government is doing all sorts of stuff to control us it's very, very shameful to call myself an American. Some things have their truths, but so much of it is just nonsense.

I think it's important to vaccinate children. I feel like the benefit from far outweighs the risk. Yes, I'm vaccinated and I'm truly thankful my parents did so. I can't tell you how many weird illnesses I got as a child. If I hadn't been vaccinated I could have gotten something incurable. I don't have children and I'm not sure I want to have them yet so I can't answer on the second part.

It is herd immunity. If enough of the herd is vaccinated against (or just not susceptible to) a specific disease, the herd as a whole is protected. Basically, if the individuals that are not vaccinated are few and far between and then one of those individuals gets that disease, there would be a nearly negligible chance of another susceptible individual coming into contact with the diseased one.

I am going to vaccinate the children I intend to have one day. Science works, y'all. I'm vaccinated, my siblings are vaccinated, my parents are vaccinated, my husband is vaccinated... My cats are vaccinated, for crying out loud. I get my flu shot every year. My husband has a good reason not to get a flu shot - he's had a bad allergic reaction to that family of vaccines.

Unless your offspring have a legitimate, medical reason (very, very, very, very rare) that they CAN'T be vaccinated, get them their shots.

I agree on that, but somehow I think most people won't like to be told 'vaccinate your kid for even my cat is vaccinated'... (even if I can say the same for any dog I know since vaccines for dogs and cats (non-wild ones) are obliged out here)

The shelter I work at always vaccinate their animals before their adopted, and will do yearly vaccines for free I believe. To some people their animals are their children so it could be just as important depending on who you are speaking to.

I think it is important as well to vaccinate pets, if my pet dog gets sick from something I could've prevented I would feel so guilty ><

Also I recently read an article explaining how more people agree with vaccinations over in America from last year because of the recent whooping cough and other deceases.
If my memory is correct now a third more believe vaccinations are good!

I wonder why there are so many more people in America willing to believe conspiracy theories and the like than other countries.

To quote South Park: "A quarter of America is retarded."

I've noticed that some parts of America have particularly high concentrations of dumb people. Having that magnitude of (sometimes willful) ignorance in one place creates a cesspool where such silly things like conspiracy theories can thrive.

That is how things like the myth that "vaccines give kids autism" get so ingrained in such a large portion of the populace's minds. Some person on TV said it and wrote a book, and people believed it because a famous person said it. x_x