There are no official facts about that. I think that the number of bitcoin users doesn’t exceed 100 million. But the number grows every day.

some people can indeed get income from bitcoin. and also their work. but indeed for the asset problem they certainly have it differently. and not the same as us

I bought bitcoins on the $ 100, transferred them to the BitSeven platform and increased them 6 times. I continue to increase the number of bitcoins through trading on the BitSeven platform.

Had you bought bitcoins at 100$ or bought bitcoins worth of 100$? I am asking because bitcoin was at 100$ 5-6 years back.

now the use of bitcoin is very wide, there are some countries that have allowed transactions using bitcoin, but most countries forbid it, most people use bitcoin as an asset for investment and for trading

we cannot exactly  count in numbers. Since there is no tracking or centralized domain managing the usage. There are few countries approved the use of BTC but still there are countries not legalized BTC. But what we can see is if the person earning profit through crypto means he can have few BTC. But
nowdays lot of people started using bitcoin which surely adding the numbers in the usage of Bitcoin.

No body can not tell exactly that how many people have bitcoin but any block chain account tell about that in which account bitcoin is contain. But that account can not show any identity of account holders name and address of owner of account.

Investment is a choice, and the choice of each investor will be different from each other depending on his search for interesting information according to each version. Maybe for those who don't have bitcoin they only search for information about altcoins, including you. However, you need to know how the history of crypto currency and bitcoin is the forerunner to the existence of crypto currency. Many people are hesitant about investing in altcoin because they don't have a strong community and the number of investors is still small.

no one can know how many people have btc because there is no system or regulation that can record the use of btc for each person

It's quite tough to count exact amount of bitcoin people have but you can have some idea from different types of ICOs projects. Nowadays user of bitcoin getting increase day by day across the world because bitcoin is very popular among the investors.