people in the world vs people around the world

Some examples from the web:

• Only three people in the world even care.
• We were the two closest people in the world to her.
• There are about 6 billion people in the world.
• Now then. 6,000,400,026 people in the world.
• The first people in the world to discover a genuine, living...
• Only a handful of people in the world know it.
• Not many people in the world could hit that shot.
• Two of the most boring but content people in the world.
• 10 people in the world have this watch.
• There's too much people in the world already.
• There are only two kind of people in the world.
• Eight people in the world know it exists.
• 100 people in the world can rival me at blitz chess.
• Only six people in the world could program safeguards like that.
• I guess there are really only like eight types of people in the world.
• There's about five people in the world who know what do with Scylla and are willing to pay for it.
• And you're one of about 20 people in the world who can save her.
• There's only a handful of people in the world who can procure it in sizable quantities.
• Half the people in the world would kill for your room.
• There are people in the world who love beauty.

Some examples from the web:

• One which we and many other people around the world share.
• 1.8 billion people around the world work in the economy that is unregulated and informal.
• More than a billion people around the world live in extreme poverty.
• But, tobacco smoke related diseases kill 5 1/2 million people around the world every year.
• They provide food, income and food security for hundreds of millions of people around the world.
• Dr. Campbell's message is resonating with growing numbers of concerned people around the world.
• Okay. Lifesaver bottle is used by thousands of people around the world.
• Microsoft employs 78500 people around the world.
• We're about to broadcast live to millions of people around the world.
• We have seen several people around the world with political responsibility saying, for instance, that Muslims refugees should not be received.
• In recent years, millions of people around the world have come to believe that there's something sinister about genetic modification.
• And it's amazing how many people around the world do not know what a tapir is.
• The Internet is a crucial tool for people around the world to exchange ideas and promote democracy.
• For me, like millions of other people around the world today, English is an acquired language.
• Cancer is a disease that affects millions of people around the world every year.
• Well, millions of people around the world die of waterborne disease every year.
• Despite vast sums of money spent aiding such states over the last 50 years, armed conflict and violence continue to blight the lives of millions of people around the world.
• All these disasters claimed innumerable victims, caused increasingly significant economic damage and devastated the lives of millions of people around the world.
• More than 215 million people around the world live outside of the countries they call home.
• Nevertheless, very many people around the world are still dying of tuberculosis today, particularly the young and the poor.