Does it seem like the older ফ্রোজেন gets, the আরো জনপ্রিয় Anna gets and the less জনপ্রিয় Elsa gets?

Online- yeah, I totally get what you're saying. People are starting to look at Elsa without the rose-tinted glasses and see that her character has a lot of issues, and Anna is starting to be recognized for her multi dimensional personality instead of being thought of as the "useless" sister, which I am so here for.
Outside of the internet, though Anna is getting a bit আরো প্রণয় (and দ্বারা a bit, I mean a tiny bit), Elsa still reigns supreme overlord of young children and non-disnerds, so her popularity hasn't gone down (at least from what I've seen). Only strong ফ্রোজেন haters seem to dislike Elsa, but they also hate on Anna, and a lot of times don't even know her name.

I didn't see ফ্রোজেন until about a বছর ago, so I missed the early months of the fandom where Anna got hate (I find it hard to believe there was a time when she got only hate!), but when I came into it Elsa was still much আরো জনপ্রিয় than Anna. I don't really get involved in the fandom outside of Fanpop, so I don't know whether the Elsa অনুরাগী are still active in other places, but here I've noticed it too.

Can't say I've noticed Elsa getting much in the way of hate (with the exception of maybe one অথবা two অনুরাগী here - the majority don't seem to have an issue with her) but I have noticed Anna gaining আরো and আরো positive attention.

That said, I think Anna has been a আরো noticed character among older অনুরাগী for a while. Teens and adults seem to at least quote Anna আরো when talking about ফ্রোজেন (even if she isn't their favourite, she is clearly a memorable character to them all) whereas when I've done cover work at pre-schools I've noticed that Elsa is still the favourite among 3 to 4 বছর olds! So I definitely agree with আপনি that this is a thing that's happening mostly with the older fans.

Elsa COME BACK

Yes! Elsa is important, but, Anna keeps on getting আরো popular, and I hate that. I think, the reason why the movie is called 'Frozen' because of Elsa! And a lot of the time, I see people saying 'Anna' instead of 'Frozen'! It's dumb!!!