the internet code for Singapore is - ".sg".
Information about .sg domains
There are estimated to be about 146,043 domains with .sg suffix (2014).
The Intended use for .sg domains is for entities connected with Singapore.
Actual use: Popular in Singapore.
The .sg internet code was Introduced in 1988.
The Sponsoring Organisation for .sg domains is "Singapore Network Information Centre (SGNIC) Pte Ltd".
Structure of .sg ccTLD: Registrations are taken at the third level beneath generic categories, or directly at the second level; special .idn.sg category exists for internationalized domain names.
Registration restrictions of .sg domain: Singapore presence required; third-level names have various restrictions depending on which second level label they are under.
Singapore Network Information Centre (SGNIC) Pte Ltd's contact details - See link
For .sg domain registration click on the following link - See link
For a whois search on .sg domains click on the following link - See link
You can see more details about the .sg ccTLD in Wikipedia - See link
Internet website in Singapore with .sg code (2014)
.sg code is used by 0.10% of all world's websites.
Most popular websites with .sg domain
Internet ipaddress and mailsevers
IP Addresses: 7,326,622.
Number of Internet Users (2014)
Singapore makes up 0.15% of the world's Internet users and it ranked on 72 place compared to other countries in the world.
According to data from internetlivestats.com there are 4,453,859 internet users in Singapore, which makes up about 80.73% of Singapore's population (5,517,102).
Search for .sg domains on google Singapore - See link
SOURCES OF INFORMATION
Domain Count Statistics for TLDs - See link