There are 5.8 million Jews in Israel according to the Israel Central Bureau of Statistics. Of those 3 million are Ashkenazim and 1.8 million are Sephardim/Mizrachim according to government statistics.
And a majority of Sephardim live in Israel. The overwhelmingly vast vast majority of Jews outside Israel are Ashkenazim. The only other countries with notable Sephardic populations are France with 300,000 Sephardim and the U.S. with 200,000. After that it is 50k in Argentina and 20k in Turkey. There is between 9-11.2 million worldwide Ashkenazim, with 5-6 million in the US alone.