Okay, from Britain - Major Parts of Europe, Africa, India, Asia, Canada, USA, South America.
It's not just you. The world is right now having an INTERNET SLOW DOWN. The reason is actually pretty simple. Basically, everyone is home, either Working via-Internet, talking more so on Community Networks - IE: Facebook, Twitter and so on and watching Youtube and Internet access videos - movies.
So understand that this is temporary, but will be a good month or so longer depending on when people are allowed to get out and about and go back to work and such.
Most of the USA Schools are closed now for the rest of the this school year. Meaning A LOT of kids are home and on the internet, more than usual.
Just simply Google this and you will see and read.
Here is one link for you all:
... According to a new report by Broadband Now, a consumer advocate website that compares U.S. internet service providers (ISPs), many cities are experiencing internet slowdowns during the ongoing coronavirus outbreak.