If you’re in the UK, your local library may have access to the Economist as an online magazine
My county’s libraries use Libby, and I get to read The Economist and many other magazine ‘for free’ (reality is my council and other taxes pay for it but you get my drift)
This is also true in the US, where Libby is common too. I read the Economist, the New Yorker, and the New York Review of Books for free that way -- the Washington DC public library system (which even people living in the DC suburbs can get a library card to) subscribes, for example.
My county’s libraries use Libby, and I get to read The Economist and many other magazine ‘for free’ (reality is my council and other taxes pay for it but you get my drift)