They're declining worldwide and since Musk got the climate change denier elected who did away with CAFE credits at the end of Q3, Tesla is now also no longer a profitable company.
For the last few quarters, Tesla was only profitable due to their selling CAFE credits. With those gone and their sales declining, it's all but certain that Tesla will post a loss for Q4, unless they resort to some very creative accounting tricks.
We won’t know this until the end of January [1]. (Tesla turned a $1.4bn profit in Q3.)
[1] https://finance.yahoo.com/news/prediction-elon-musk-reveal-t...