Based on a total site area of 12,367.7 sq km, the current population density of the Greater Sydney area is 407 persons per sq km which includes a number of surrounding national parks. The built urban area is estimated at 4,064 square kilometres which translates to a density of 1,237 persons per square kilometre.Apr 26, 2018
The population density in Singapore is 8358 per Km2 (21,646 people per mi2).
Sydney is subject to what s effectively a total lockdown in order to enforce separation of "social isolation", Singapore is not. Meanwhile Australia's Chief Medical Officer Brendan Murphy continues to insist that Australians need not worry about community contagion or spreading from this airborne virus.
Singapore is continuing to trade, Sydney and the rest of Australia has warned that business will effectively be shut down for six months or more.
Singapore was one of the first places to ban incoming flights from the Chinese city of Wuhan, where the virus originated. And it placed people coming into the country from countries affected by Covid-19 into mandatory quarantine.
Thousands of people flew out of Wuhan to cities around the world after the initial outbreak ,2,200 to Sydney. The Sydney arrivals were to be expected given the direct flights from Wuhan to Sydney (see below).
Australia imposed travel bans from and to China on 1 February 2020, two days after Singapore, but however did not impose mandatory quarantine, and even then ban seemed riddled with leaks and loopholes:
More than 31,000 Chinese students have made their way back to Australia after spending a fortnight in a third country, despite the government's travel ban.
Sydney workers and businesses are paying the price of the NSW and Australian Government's refusal to clearly identify and quarantine likely Wuhan Virus carriers from Wuhan and other parts of China.
by Ganesh Sahathevan
Feb 23, 2020 - The broad ban on direct travel between China and Australia still remains (except for Australian citizens and permanent residents) but the ...