The three largest sovereign countries by surface area are Russia, Canada, and the United States. Together they occupy roughly a quarter of Earth’s landmass. Other heavyweights in size are China, Brazil, Australia, India, Argentina and Kazakhstan.

Russia is the largest country by far, with a total area of about 17 million square kilometers. Despite its large area, Russia – nowadays the largest country in the world – has a relatively small total population.

As of 2019, Russia is the third-biggest exporter of arms in the world, behind only to the United States and China….Economy of Russia.

38, a drop of six positions from 2020.

• No. 8: Australia. Safest ranking: 8.
• No. 7: Sweden. Safest ranking: 7.
• No. 6: Finland. Safest ranking: 6.
• No. 5: New Zealand. Safest ranking: 5.
• No. 4: Canada. Safest Ranking: 4.
• No. 3: Norway. Safest Ranking: 3.
• No. 2: Denmark. Safest Ranking: 2.
• No. 1: Switzerland. Safest Ranking: 1.

For the most part, India is a rather safe country. Certain places can be more dangerous than others, but the most beautiful sites of India, including the Taj Mahal and Hawa Mahal, are mainly safe for travelers.

The United States has the world’s largest economy, with a GDP of $20.49 trillion and the most massive military budget of $610 billion. The U.S. defense spending is higher than the next seven largest defense spenders (China, Saudi Arabia, India, France, Russia, Germany, and the United Kingdom) combined.

Artificial intelligence is impacting the future of virtually every industry and every human being. Artificial intelligence has acted as the main driver of emerging technologies like big data, robotics and IoT, and it will continue to act as a technological innovator for the foreseeable future.

The US leads, with an overall score of 44.6 points on a 100-point scale, followed by China with 32 and the European Union with 23.3, the report based on 2020 data found. The researchers found the US leading in key areas such as investment in start-ups and research and development funding.