There are thousands of social networks out there. Have you ever wondered which ones are the most popular? This is a list of the 8 most visited social networks online today.

Number 8: LinkedIn

LinkedIn is a networking tool to find connections to recommended job candidates, industry experts and business partners. It allows registered users to maintain a list of contact details of people they know and trust in business.

• It is estimated that about 0.6% of all internet users in the world visit LinkedIn every day.
• Over the last 3 months the popularity of LinkedIn has increased by about 30%.
• LinkedIn has over 40,000,000 registered users.

Number 7: Tagged.com

• It is estimated that about 0.6% of all internet users in the world visit Tagged.com every day.
• Tagged.com has over 80,000,000 registered users.

Number 6: Hi5

• It is estimated that about 1.5% of all internet users in the world visit Hi5 every day.
• Over the last 3 months Hi5 has become almost 20% less popular.

Number 5: flikr

flikr is a photo sharing social network with picture galleries, chat, groups, and photo ratings.

• It is estimated that about 2% of all internet users in the world visit flikr every day.
• Over the last 3 months flikr has become almost 8% more popular.
• flikr is the 31st most popular site on the web today.

Number 4: Twitter

Social networking and microblogging service utilising instant messaging, SMS or a web interface.

• It is estimated that about 3% of all internet users in the world visit Twitter every day.
• Over the last 3 months Twitter has really taken off, with a 200% increase in popularity!
• Twitter is the 36th most popular site on the web today.

Number 3: MySpace

One of the very first social networks to rise up the popularity ladder.

• It is estimated that about 5% of all internet users in the world visit MySpace every day.
• MySpace is becoming slightly less popular and over the last 3 months has dropped in popularity by about 8%.
• MySpace is the 10th most popular site on the web today.

Number 2: Facebook

Facebook is a social utility that connects people, to keep up with friends, upload photos, share links and videos.

• It is estimated that about 20% of all internet users in the world visit Facebook every day.
• Facebook has grown in popularity by about 20% over the last 3 months.
• Facebook is the 4th most popular site on the web today.

Number One: YouTube

YouTube is a way to get your videos to the people who matter to you. Upload, tag and share your videos worldwide.

• It is estimated that about 20% of all internet users in the world visit YouTube every day.
• YouTube has grown in popularity by about 5% over the last 3 months.
• YouTube is the 3rd most popular site on the web today.

Stats cited from alexa.com