Rio Olympics: By numbers
Do you know how many medals are up for grabs at the Games? Or how many taxis will be driving around Rio in August? Even if you don't, you must know how many condoms will be dished out at the Olympic Village. Right?
All the athletes
15,000: It's the biggest sporting event in the world. There are likely to be around 10,500 athletes competing in Rio in August with about 4,500 more arriving for the Paralympics the next month. The reason these numbers are inexact is because of the doping cloud hanging over the participation of Russians and Kenyans.
League of Nations
206: As with the number of athletes, it's currently unclear exactly how many countries will be at the opening ceremony on August 5. This time it's Kuwait whose participation is in doubt, with a case currently being heard in a Swiss court. But with Kosovo and South Sudan set to make their Olympic bow, the number is likely to be a record 206 countries.
The logo
3: To the untrained eye it may not be immediately obvious but the 2016 Olympic logo represents three people holding each others hands. It also incorporates views of the Sugar Loaf mountain from Botafogo Bay. Meanwhile, green, yellow and blue stand for nature, the sun and the sea. These are also the colors of the Brazilian flag. Finally, the slogan: Passion and transformation.
Sports both old and new
28: From badminton to basketball, there are a total of 28 sports in this year's Games. While baseball and softball have been ditched, golf will make a long-awaited Olympic comeback while rugby sevens will be in the Games for the first time.
Medals, medals, medals
44: The German Olympics team will be hoping to top their total of 44 medals from the 2012 Olympics, when they finished fifth on the medal table. Of the 528 medals Germany have won at the Games, 306 have been gold - 161 of them have been won by men and 136 by women.
Counting the cost
38.7bn: Few people will be surprised to read that the Olympics have come in significantly over budget. Latest estimates from the Rio organizing committee estimate the cost to stand at 38.7 billion reais (around nine billion euros). The over-spend has caused ructions in a city already struggling financially.
Olympic Village
450,000: There may have been one or two complaints but housing 10,000 people isn't easy. The Olympic Village has a total of 34,000 beds ready to go . There are 72,000 tables , 100,000 chairs and 60,000 hangers. And, of course, there will be 450,000 free condoms - one record that's been broken before the opening ceremony.
Taxi!
6,453,682: Nearly six and a half million people live in Rio according to the last census. They - and the thousands of visitors who will arrive in the city in August will get to pick from 33,000 taxis. How much time they will spend in traffic is anybody's guess.