All of those are possible in Japan provided 4 allows having a landline.

That said, you’re going to end up using a smartphone anyway since the tax agency will have you do your taxes on a loaner device if you don’t have one. Several other things become more time consuming as well.

If you don’t have income option 4 is pretty easy, if you have income and it’s not your company where you have accountant that handles everything for you and arrives to your house with money every month it’s getting complicated and probably 1,2,3 variants are must.

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My mother in law gets by just fine without hers. But then again, she’s in Arkansas, so I’m not sure if that counts as a modern, or developed country.

Doesn’t difficult very much depend on what you think matters? You’re instantly missing out on anything app, anything QR-code related (ordering food in some restaurants, links, etc.), membership cards that no longer exist in physical form. Some places sell certain tickets online only and then you may need a printer or you’re SOL. I’m sure in missing something so that’s not extensive.

But at the same time, if you have a dumb phone, you can still stay in touch with friends and family. You’ll be missing out on images being sent that are bigger than 2 pixels. But you wouldn’t be completely out of the loop. And if you have an internet ready computer at home or at the next door library, just not on you at all times, I think that’s crucial. Without that you’re ending up in all sorts of trouble.

I would say it’s doable if you are good at not giving F’s. If at the same time you only want to use cash or just no credit cards you’ll be making your life much harder though.

I’m kind of living the 1) life, I have a degoogled smartphone in eternal airplane mode and only free software apps. So in practice I have none of the apps “required” to live.

In large cities, transportation is getting more and more difficult without uber. Bike/escooter rentals also stopped working without an app. I use osmand on my offline smartphone to find taxi stands, so that’s cheating by your standards, but stands are empty these days and the drivers are a bit surprised and comment that “most people order a taxi by phone these days”.

I’ve lost most of my friends when I quit facebook, when we randomly meet we still have a small chat but I don’t get invited to events (birthdays etc) any more. Big respect to the few that still don’t mind sending an sms or email (and even more respect to the 2 friends who keep an xmpp client with only me as a contact)

Increasingly, I don’t know what’s going on around me because businesses, libraries etc advertise only on “spotted” on facebook, have presence only on fb, and don’t even care about telling the local news about events or openings. I only know about that because of other people who use facebook.

More and more official / administration things in more and more countries require a smartphone.

So: outright impossible, unless you want to unplug yourself from any “normal” living, earning money etc.

I live in Germany. For the moment, i do not require a phone for anything in my life. I use it as an nfc card reader for my ID, but there are usb readers that could replace that. All other things also would continue working without a phone. Email, matrix, osm, music all work on a laptop. I actually have this orangpi + powerbank + usbc touchscreen setup that works basically like a laptop. I could add a sim card module to it too.

“Nothing at all” would mean not being well informed about politics and i think that has moral implications i could not live with. I think “computer only + time limit” is a good idea.

A friend of mine avoids smartphones as he is (rightfully) very concerned with his privacy when it comes to big tech. So he has a PC and a dumbphone.

Does the US count as a “modern-day developed country?” 'Cause if so, it’s apparently still possible because my tech-illiterate Boomer parents manage it.

(Okay, they technically have smartphones, mainly because I’m trying to drag them kicking and screaming into the 21st century, but they basically use them for nothing but phone calls and maybe an occasional text message or email. My dad accesses banking stuff via website on his computer, but if he didn’t have that I’m sure he’d just be fine going to the counter at the brick-and-mortar branch.)

It’s entirely possible, depending on what services you want to live without.

Tedious but doable as proven by a lot of older people.

Kids and elderly people are already doing all of that, so it is technically possible, but inconvenient. You would also need to outsource your smartphone activities to someone else to actually make it work.

Option 1 seems semi-feasible, but it is getting harder every year. Also, certain activities are already beyond your reach if you’re in this group. As long as you don’t want to do any of those things, you should be fine though.

Option 2 is impossible unless you outsource your phone needs to someone else.

Option 3 is hard, but possible. You would need to limit your activities quite significantly. BTW some homeless people have a dumb phone as their only electronic device. You kinda need to have a phone number in order to barely survive.

Option 4 is the most extreme one. Children and elderly are living like this, but they are also outsourcing everything, so does that count?

I’ve done no. 1 a few times for a month or so each. Some of the biggest problems with that are:

• Banking can be a bit rough without the app. You can sometimes get a separate device to log in from some banks
• Digital authentication to eg. government services, and some private services as well works via a smarthphone app. Depends on the country a bit how extensive this is, Sweden has been really bad considering this.
• Sometimes public transit only/mostly sells tickets through an app
• Digital maps and route planners are very convenient and not having them substantially increases the time and effort you need to put into finding places

What usually won’t be a big issue

• Messaging: Whatsapp, Signal and obviously Facebook Messenger work on the computer, so you won’t be fully missing out on anything. Also, SMSs and calling work well and are cheap/free
• Missing out on social media and digital entertainment like youtube on a device that you carry 100% of the time is probably just a good thing
• Photography, you can find all kinds of digital cameras, camcorders and DSLRs for a reasonable price

All in all, it’s feasible but quite inconvenient at times.

I find having a smartphone without a sim card at home to be a good compromise. It limits the time I spend on my phone, which in itself is nice, and subsequently decreases the amount of data that can be collected of me. Also, if you aren’t relying on your phone it doesn’t need to be nice and expensive.

In the US, it’s not a requirement. I use my phone for nothing but occasionally making or receiving calls, taking photos, and messaging friends, but all of that could be done without it. I just use it because I have it.