Normal all depends.

Here in the UK we don’t have data caps but our personal household usage roughly is 500GB a month between 3 of us on 65Mb. We don’t do anything other than stream in 1080p and I’m the only one who games. I don’t know about upload usage, of 20Mb, never actually asked our ISP.

The UK is on average about 456GB in May 2022. With the UK passing over 60% of households having fibre to the home as of late, that number is likely closer to double that now; especially as more people can watch content reliably in 4K and upload more since WfH etc…

Does your brother need to check in with you every time he watches porn?

First thing I would do is look at the client list (or DHCP list) to see if there’re any devices that have connected you don’t recognize.

2nd, change your wifi passphrase and reconnect only your known devices.

If your router has detailed logging as a feature, enable it so you can see which client is the most chatty going forward, and check next month to see if traffic died down. If not, check the logs to see which client was responsible.

Game updates?

Easiest thing to do is to change your wifi password. If someone happened to have figured out your password, they might be adding to your usage. If that fixes your issue, then you can likely assume someone was getting a free ride from you. If not, then you can check data usage on your devices and see if there is an app or something consuming a lot of data in the background from your regular usage.

This seems very high. You can get IP scanners which will tell you what devices are using your network, might be worth having a look and seeing if you can identify them all

Sounds about right, house of two here, one usually gaming every day for 3-4 hours.

If you’re downloading a lot of shows or games often, not too bad.

But wtf are you uploading? Are you sure neither of you are YouTube content creators?

More likely explanation is someone leeching off your wifi.

That’s a good amount of data use, but if you have 4k TVs with 4k streaming plans, download a lot of games or movies, or work in sound/video editing that amount of data is completely reasonable. 5 years ago, 10 years ago… maybe it was a lot. It’s not anymore. You can use that without even thinking about it just by using modern devices and services.

My family of 5 went from 1TB a month 10-5 years ago to about 3TB a month in the past 9. Some much higher too, but around there. We don’t try to use more or less, ever. We just use it.

I’ve got a three person house hold, but it’s essentially 2 because the 3rd is 86 and doesn’t really use the internet, he does a lot of streaming but all of that is internal SMB streams.

I run a few low use game servers and play games stream videos, a bit of file sharing, and I personally use 1.2tb a month on my PC, and my server very regularly uses 1.5-2tb. I see myself as a higher use user, but that’s just my example.

So using a little math, if you were absolutely saturating your internet connection for 30 days straight you should be able to transfer 32,850 gigabytes so it’s certainly not unheard of that you’re getting 1.6tb speaking of, you’re 1.6tb comes out to about 5 megabits a second saturation over the course of 30 days which if someone is streaming 4k is easily done.

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That’s all I can say so far. Is there any possibility to check 100% of my outgoing and ingoing data usage? Like every tiny detail, maybe even the programs that use this data?

Yeah there certainly are software, but not for seeing other devices traffic, the traffic would have to go through your pc to see it all with programs like wireshark. Alternatively you can use dedicated router systems like Unifi or Omada and they should be able to do Deep Packet Inspection, and sniff where things are going, neither of them are very accurate though.

How are you getting the data?

Is it from your router will it show what device the traffic is coming from then you can look into it better?

What games do you play have they sent out patches that are like redownloading the game?

To add to your data our usage is 753gb download and 230gb upload in the last month. I have some packet inspection so sometimes I can tell what the traffic is.

60% is HTTPS, so encrypted traffic. 15% is EA - game downloads and updates 8% web file transfer 4% Akamai - a content delivery network 3% TikTok 3% discord - I stream a lot for my guildies

Screenshot the statistics and post it here. Without pics it can lead to many assumptions.

Here’s my usage, living alone (sad I know), a network engineer & freelance video editor, working from home.

I browse reddit, zoom, lark, conference call, social media, youtube, porn, netflix, steam updates, play online games, edit/download/upload online docs, work stuffs, etc just the usual usage at 4K.

Reached ~900+GB per month with average of 33GB/day.

If you’re feeling sus of your data usage try turning off wifi for 1-2 days and see if anything. High data usage is not unheard of especially if you have many devices.

If you have advanced knowledge of network you can try monitor IP addresses in your router and see what’s having biggest total traffic.

I do 2.89tb download and 75gb upload a month. I stream everything including iptv. Your upload seems really high, but the download to me not much. Im I a two person household

That’s quite a lot, it’s not impossible but doesn’t really match with what you’re saying in terms of usage.