A friend made the following estimations for Singapore households based on credit suisse 2019 report:

Out of the 1.4 million households in Singapore,

Top 10% (140k households) -- 1.2m to 1.5m USD
Top 3% (42k households) -- 5m USD
Top 1% (14k households) -- 12m USD
Top 0.5% (7k households) -- 20m USD
Top 0.1% (1.4k households) -- 50m USD