!!!Did you know this about Indonesia? Did you know that Indonesia is among the top 10 of the 193 UN countries in the following 12 respects. #Coastline - km: 54,716 (Rank 2). #Heliports: 76.0 (Rank 3). #Population: 253,609,643 (Rank 4). #Telephones - mobile cellular: 281,960,000 (Rank 4). #Freshwater withdrawal - cu km/yr: 113.3 (Rank 5). #Ethnic groups: 16.0 (Rank 5). #Irrigated Land - sq km: 67,220 (Rank 6). #Total renewable water resources - cu km: 2,019 (Rank 7). #Waterways - km: 21,579 (Rank 7). #Water Area - sq km: 93,000 (Rank 8). #Telephones - main lines in use: 37,983,000 (Rank 8). #Airports: 673.0 (Rank 10).