Group 1 - The middle class in the United States is shrinking, with only 51% of Americans living in middle-class households in 2023, down from 61% in 1971 [1][2] - The share of lower-income and upper-income households has increased over the same period, indicating a need for the right salary and investment knowledge to maintain or move up the income bracket [2] - Investment strategies for the middle class in 2025 should focus on steady growth without high risks, emphasizing quality investments and patience [3] Group 2 - Recommended investment options include diversified ETFs like Vanguard Total Stock Market (VTI) and Schwab U.S. Dividend Equity (SCHD), which provide diversification and dividends without the need for market timing [4] - Precious metals, specifically gold and silver, are suggested as hedges against economic instability, with advice to purchase one-ounce coins from reputable dealers rather than relying on ETFs [5][6] - The median annual income for the middle class is reported to be between $58,021 and $94,000, with a median net worth of $145,200 [6]