According to the World Inequality Index, between 1999 and 2024, the top-1% in Canada grew their wealth from 26% to 29%.

In the same period in other countries, the top-1% changed their wealth:

• in Australia and New Zealand, more or less unchanged at around 23%
• in Europe, more or less unchanged around 25%
• in the USA, grew from 31% to 35%
• in China, grew from 19% to 30%
• in Russia, grew from 40% to 49%
• in Latin America, unchanged at around 36%
• Oceania, grew from 24% to 27%
• Sub-Saharan Africa, shrank from 38% to 34%

Worldwide, the top-1% share was stable at around 37%.

In the same period 1999-2024, the wealth of the bottom-50% in Canada slightly shrank from 15% to 14%. In other countries:

• in Australia and New Zealand, more or less unchanged at around 5%
• in Europe, more or less unchanged around 3%
• in the USA, grew from 0.6% to 1%
• in China, shrank from 14% to 6%
• in Russia, shrank from almost 7% to less than 3%
• in Latin America, unchanged at 2%
• Oceania, decreased from 3% to 2%
• Sub-Saharan Africa, slightly increased from below 2% to 2.1%

Worldwide, the bottom-50% grew their share of the total wealth slightly from 7% to 8%.

Source for the top 1%, here for the bottom 50%.

You can play around in the linked diagrams for other countries and regions.