Interesting, why do you consider harry potter is a dystopia?
I find it impossible to think of Harry Potter as anything BUT a dystopia. Even Hogwarts itself is a dystopia.
Children are segregated based on a personality test at age 11, and then left to fulfill roles that were set out a thousand years ago, leading to cultural divides that continue for the rest of their lives. The Hogwarts house system is one of the main foundations of the pureblood/muggleborn conflict. And I haven’t even gotten into how Hogwarts is run, how useful it is as a tool for preparing people for adult life, and how dangerous it is to live there.
As for Wizarding Britain at large:
There’s no evidence that the Ministry of Magic is organized by anything other than cronyism.
The Minister for Magic is not a democratically elected leader.
Voldemort easily finds a foothold in mainstream society (even within living memory of his last reign of terror!) and his supporters easily infiltrate the government and implement all sorts of nightmarish and bigoted policies.
We rarely see people working to innovate any aspect of wizarding society, with the exception of eccentrics like the Weasley Twins or Luna Lovegood.
Wizarding society is so isolated that purebloods find it strange if a witch or wizard takes much interest in muggle culture, even if they are muggleborn.
Umbridge is allowed to torture children and spread propaganda at the only major educational institution in the country.
There’s a huge amount of discrimination relating to non-human races, particularly House Elf slavery.
I could go on at some length on this topic, but instead I’ll finish with my pet theory: that Wizarding Britain is so fucked up that the rest of the wizarding world has just given up on it.
We know from the Quidditch World Cup and the Triwizard Tournament that there are plenty of magical cultures all over the world, but Britain receives NO kind of international help when Voldemort is on the rise or when the Ministry of Magic is in turmoil.
Obviously the “real” explanation is that the Voldemort/Harry/Hogwarts narrative must to be isolated for Harry’s story to be told… but I still quite like the explanation that Wizarding Britain has been abandoned by the rest of the world. Their society has become so warped, so backward and so beholden to irrational beliefs and traditions that other international wizarding powers have decided the situation is unsalvageable.
There’s no point in stepping in to get rid of Voldemort unless he becomes a threat overseas, because another Dark Lord will probably rise up in a few years anyway. And Wizarding Britain seems functionally incapable of defending itself from this threat without the help of Harry and his team of teen sidekicks – who by the end of the series are all suffering from PTSD because they have spent their formative years fighting in a dystopian war.
(P.S. Even if my pet theory ISN’T true, then the international wizarding community must still have SOME reason not to step in and help Britain fight back against Voldemort. Which, in itself, makes the world of Harry Potter seem even more dystopian than before.)
The more I write stories for young people, and the more young readers I meet, the more I’m struck by how much kids long to see themselves in stories. To see their identities and perspectives—their avatars—on the page. Not as issues to be addressed or as icons for social commentary, but simply as people who get to do cool things in amazing worlds. Yes, all the ‘issue’ books are great and have a place in literature, but it’s a different and wildly joyous gift to find yourself on the pages of an entertainment, experiencing the thrills and chills of a world more adventurous than our own.
And when you see that as a writer, you quickly realize that you don’t want to be the jerk who says to a young reader, 'Sorry, kid. You don’t get to exist in this story; you’re too different.’ You don’t want to be part of our present dystopia that tells kids that if they just stopped being who they are they could have a story written about them, too. That’s the role of the bad guy in the dystopian stories, right? Given a choice, I’d rather be the storyteller who says every kid can have a chance to star.