Based on the information provided, there are 16.1 million workers in the top 10 percent in the US.
The reference indicates that there are 161 million people working in the US, and therefore 10% of that total represents 16.1 million workers.
Here's a breakdown:
- Total US workers: 161 million
- Top 10% calculation: 161 million * 0.10 = 16.1 million
Therefore, 16.1 million workers constitute the top 10 percent in the US.