Yes, it is true that a significant portion of the world's wealth is owned by a very small percentage of the population. According to various reports, including those from organizations like Oxfam and Credit Suisse, around 1% of the world's population owns a large share of global wealth, often cited as between 40% to 50%.

### Differences Between the 1% and the 99%

1. **Wealth Accumulation:**

- **1%:** This group often holds a large amount of assets, including stocks, real estate, businesses, and other investments that generate significant income and capital gains.

- **99%:** The majority may rely more on wages and salaries, with fewer assets that generate passive income. Their wealth is often tied to their primary residence and savings.

2. **Income:**

- **1%:** The top 1% earn significantly higher incomes, often through a combination of high-paying jobs, investment returns, and business profits.

- **99%:** The income of the 99% tends to come mainly from wages, which can be relatively lower and more variable.

3. **Opportunities:**

- **1%:** This group typically has greater access to education, networks, and opportunities that can perpetuate their wealth. They are often in positions to influence political and economic policies.

- **99%:** Access to opportunities can be more limited, with significant disparities in education, healthcare, and social mobility.

4. **Spending and Saving Patterns:**

- **1%:** They tend to save and invest a larger portion of their income, leading to further wealth accumulation. Their spending can also include luxury goods and services.

- **99%:** This group often spends a higher proportion of their income on necessities such as housing, food, and healthcare, leaving less for savings and investments.

5. **Impact of Economic Policies:**

- **1%:** Economic policies, such as tax cuts and financial regulations, often benefit the wealthy, allowing them to preserve and grow their wealth.

- **99%:** Economic policies can sometimes disproportionately impact this group, especially if they lead to reduced social services or increased cost of living.

6. **Social and Political Influence:**

- **1%:** They often have significant influence over political and economic decisions through lobbying, campaign contributions, and ownership of media outlets.

- **99%:** Their influence is generally less pronounced, although social movements and collective actions can bring about change.

The wealth gap between the 1% and the 99% reflects broader issues of inequality that impact various aspects of life, including health, education, and overall well-being. Addressing this disparity requires comprehensive policy measures and systemic changes to promote more equitable distribution of resources and opportunities.