In 2019, 26 billion US dollars were spent on Halloween, more than GDP some small countries such as Fiji and Belize.
A study shows that people who eat more expensive food tend to feel more full than people who eat cheaper foods, even if the calories consumed are the same.
Scandinavian countries lead in the use of cash, with an average of only 2% of transactions using credit or digital cards.
At present, more than half of the world's population lives in cities, and is expected to continue to grow to 68% in 2050.
At the end of 2019, the total number of global debt reached 253 trillion US dollars, greater than GDP around the world.
According to a study, a higher person has a higher average income, with each increase of 10cm height increases income of 2.6%.
In 2017, Apple has more wealth than 39 different African countries, with a net worth of around 750 billion US dollars.
In 2018, the use of renewable energy worldwide reached the highest record, with more than 26% of global energy consumption derived from renewable energy sources.
Although only 1% of the world's population has a net worth of more than 1 million US dollars, they hold nearly 46% of the total world wealth.
In 2019, video game sales reached the highest record of 152 billion US dollars, greater than the music and film industry together.
