Meet the Clydesdale. The Clydesdale breed once almost faced extinction. Even though there is little practical use for heavy horses today because their muscle power has been replaced by machinery, breeders and enthusiasts have ensured that the breed is increasing, rather diminishing in numbers.
1 Over the three decades, the twin birth rate rose by 76 percent, from 18.9 to 33.2 per 1,000 births (or from 1.9 percent to 3.3 percent of all births) (Figure 1). 2  Increases in the twin birth rate averaged more than 2 percent a year from 1980 through 2004 (peaking at more than 4 percent from 1995 to 1998).
Birth and death rates. The survey also found that Indiaâs crude birth rate in 2013 fell by 0.2 points over 2012. The crude birth rate is the number of births recorded in a year, per 1,000 population estimated at midyear.Since 2008, the decline has been 1.4 points.The death rate, or the number of deaths recorded in a year per 1,000 population estimated at midyear, remained stable at 7 points. Odisha at 8.4 recorded the highest death rate, while Delhi at 4.1 recorded the lowest. Indiaâs total population is over 1.2 billion.ince 2008, the decline has been 1.4 points. The death rate, or the number of deaths recorded in a year per 1,000 population estimated at midyear, remained stable at 7 points. Odisha at 8.4 recorded the highest death rate, while Delhi at 4.1 recorded the lowest. Indiaâs total population is over 1.2 billion.