In Ontario, Canada's most populous province (population 13.1 million), two meningococcal vaccines are currently in use at different ages.
New South Wales is Australia's most populous state (population 7.0 million) and includes Australia's largest city and primary entry port, Sydney (4.4 million persons).
Shandong is China's second most populous province, its population exceeded only by that of Henan.
A new trove of data — the first survey from Indonesia, the world's fourth most populous country, plus population growth in other countries where the practice continues, often despite being outlawed — led to the revision.
On Santa Cruz and San Cristobal, the most populous islands, the population has been increasing exponentially over the past 30 years [16].
São Paulo is the most populous Brazilian state (population ≈40 million).
Ontario and Quebec are Canada's two most populous provinces with population sizes of 13.5 and 8.2 million, respectively.
For the sampling methods, we will refer to sampling the most populous cities as population-based, sampling the cities with the greatest airline seat traffic as volume-based, sampling the Rvachev and Longini [10] cities as Rvachev-based, and sampling the Epstein et al. [4] cities as Epstein-based.
Then, the authors by means of a Random Forest regression [25] provided a reliable estimate of population for populous areas.
An effect of an absolute rise in geriatric population among populous countries (ie, China, India, and Brazil) despite smaller in proportion (11% to 15%), and a higher proportionate rise (20%) in developed countries by 2020, is likely to lead to geriatric population explosion (Day 1996; US Census 1996; Kalache and Keller 2000).
