18 May 2012

Azerbaijan: it's a man's world


Derrick Harris, a big data specialist, wrote "Your data has a secret, but you — yes, you — can make it talk". I did not need to make them talk, as they have been screaming.

The sex ratio in the 0-14 age group in Azerbaijan went from 107 males per 100 females in 1990, to 116 in 2010. The ratio is significantly higher in certain states such as Gubadly and Lachyn (129 and 125). About 130 thousand girls are missing from the expected population of under the age of 14.

Abnormal sex ratios at birth, explained by growing incidence of sex-selective abortion, have also been noted in China, India, Pakistan, South Korea, Taiwan and Armenia.

12 May 2012

Me, I love charts and Metallica

Two young and handsome men, Jason Oberholtzer and Cody Westphal, have collected the most interesting charts placed on their blog "I love charts" and published in a book with unexpected and shocking title: "I love charts: the book" 

One of my charts became part of the book so I've created a chart showing how it's changed my life

20 April 2012

Demographic situation in Russia



Rate of natural increase is the birth rate minus the death rate, expressed per 1000 inhabitants. A positive RNI number means that the population increases and a negative number means that the population decreases. RNI doesn't consist migration.


27 March 2012

How big is Chinese internet?


The number of Chinese internet users is 5.13 hundred million (2011). The Internet penetration rate stepped up to 38.3%.

22 February 2012

Best Student Cities in the World 2012

Quacquarelli Symonds has released its annual QS Best Student Cities in the World rankings.


Five indicators were used to rate the cities:

  • university rankings, 
  • student mix (student population, international student population),
  • quality of living (a score based on the results of the Mercer Quality of Living Survey 2011),
  • employer activity (popularity among local and foreign employers),
  • affordability (tuition fees, Mercer Cost of Living Index).

Moscow ranks 37th.

The ranking is controversial so you interact with the vis on your own responsibility...

22 October 2011

Suicide rates per 100,000

The Quality of Life Index covers 81 regions of Russia and two cities: Moscow and St. Petersburg. It scores regions on a scale from 0 (low level) to 100 (high level). In 2009 Moscow got the highest score 79.08, the lowest score (47.55) has got Republic of Tuva.

11 September 2011

Moscow from 1897 to 2010

Moscow was established in 1147 by Yuri Dolgorukiy, unfortunately there are detailed data from the end of XIX century, no access to Yuri's database.

19 August 2011

Global Office Locations 2011

CBRE’s research compares the office presence of 280 major companies across 101 countries and 232 cities. 17 of the top 30 most popular company office locations are in emerging markets.