Tokyo region has the lowest total fertility rate (birth rate) in Japan. The national average was 1.41 in 2012. But the rate in Tokyo was only 1.09. Tokyo's rates are around 1.0 these days. No one knows the exact reason why Tokyo has such a…

Ministry of Internal Affairs and Communications conducted a survey about the penetration rate of IT equipments. According to it, the penetration rate of home PC is highest in Aichi where Nagoya is located. The lowest rate prefecture is Koc…

Yesterday June 27, Ministry of Internal Affairs and Communications released the result of survey about the smartphone penetration rate in 2013. The national smartphone penetration rate per capita was 39.1%. (It is 54.7% per household in Ma…

In June, Ministry of Health, Labour and Welfare released the birth rate of last year (2013). The data below shows the total fertility rate (birth rate) by prefecture in Japan in 2013. Okinawa has the highest rate 1.94. The second is 1.72 o…

Ministry of Health, Labour and Welfare calculates the birth rate every year. They use the total fertility rate as the birth rate. The following table shows the trend of the total fertility rate in Japan. The lowest rate 1.26 was recorded i…

Ministry of Health, Labour and Welfare measures people's BMI (Body Mass Index) every year. According to it, the average BMI of Japanese people is 23.6 for men, 22.5 for women. High BMI means more fat. The below shows the categories by BMI …

The following data show the trend of Japanese life expectancy at birth, during 1975-2010. The life expectancy at birth in 2012 was 79.94 years-old for male, 86.41 years-old for female. Table: Life expectancy at birth in Japan (unit: years)…

Japan Cabinet Office researches the penetration rates of consumer durable goods for household every year. According to it, most of households have TV, mobile phone, and air conditioner in their houses. Washlet (in the graph) means an elect…

My son bought his swimming cap at his junior high school for 500 yen ($4.90 €3.55). It is going to be used in swimming lessons. This is a uniform cap. It is not allowed to wear another cap. In most of junior high schools, swimming lessons …

My son bought his school swim shorts at his school for 1900 yen ($18.63 €13.48). The students in the school have to wear the same shorts. So my son had to buy them. Swimming lessons are mandatory in most of elementary schools and high scho…

Japan Cabinet Office conducts surveys about the penetration rate of consumer durable goods every year. According to it, 93.2% of the households in Japan have mobile phones, as of 2014 March. Smartphone penetration rate is 54.7%. The table …

A private organization Japan Policy Council brought out their study in May about the issue of population decreasing in Japan. They calculated the estimated population in 2040 and the decreasing rate of the young women's population by 2040.…

Many child abuse incidents are reported. Among them, 482 assailants were arrested by the police in 2013. The following tables show the numbers of the arrested cases/assailants/victims of child abuse in Japan during 2004-2013. This shows on…

The table below shows the number of tornadoes (twisters) which were formed in Japan. Approximately 25 tornadoes are formed in a year. Japan Meteorological Agency changed the standard of the tornado statistics in 2007. So we cannot compare …

Japanese government counts the population in Japan every year. The below is the estimated population (residents in Japan) by age as of 2013 October 1st. There are some notable points. Age 67: Population is small, because of World War II. A…

Ministry of Health, Labour and Welfare conducted a survey about animal protection in 2010. In the survey, the government asked people why they do not have a pat, if they do not have a pet. The biggest reason is that people do not think the…

I bought my rain boots at a DIY store Homac in preparation for the rainy season. It cost 2550 yen ($25.00 €18.09). Most of rain shoes do not fit my feet. It is not easy for me to walk in rain shoes.

Ministry of Health, Labour and Welfare conducted a survey about animal protection in 2010. In the survey, the government asked people what kind of pet they have, if they have.Total 1939 persons answered in the survey, of which 840 persons …

The table below shows the changes in the number of mentally disabled outpatients by disease in Japan. Year by year, the number of outpatients is increasing. It is said, it is becoming that people do not hesitate to consult psychiatrists, a…

Schools measure students' weights in April. April is the beginning of the Japanese school year. Most of students are 17 years old when they go on to the final grade in their high schools. The data below show the trend of the average weight…

In Japan, when you import living animals, it is necessary to report it to the authority. It is also required to report when you imported dead bodies of rodents (mice and rats). 2,137,103 dead mice bodies were imported to Japan in 2013. All…

I think most of hamsters in Japan were bred domestically. But I am not sure of it. I could not find a data of the number of hamsters in Japan. Fact: Some hamsters are imported. 285,473 hamsters were imported into Japan last year (2013). Ko…

My wife and my son bought my son's tennis racket for 7999 yen ($78.42 €56.73) at SportsDepo. My son uses it in tennis club activities. In Japan soft tennis is also common, in addition to normal tennis. Soft tennis uses a soft rubber ball i…

My son joined the school tennis club. My wife and he bought his tennis shoes for 3999 yen ($39.21 €28.36) at SportsDepo. There are two types of tennis shoes in Japan. One is "for all types of courts", the other is "for OmniCourt". OmniCour…

Crude oil production in Japan is very few. 687,526 kL of oil was produced in 2013. But it was less than 1% volume of the total yearly oil consumption in Japan. Approximately 60% of Japan-made oil is produced in Niigata prefecture. Table: C…

According to the police data, 4373 persons were killed by car accidents in 2013. The number of victims decreased by 38, comparing with 2012. There are two statistics of "motor vehicle deaths". One is conducted by Ministry of Health, Labour…

Tokyo Electric Power Co. (TEPCO) uses oil, coal, and LNG as fuel for thermal power generation. The table below shows the breakdown of thermal power generation fuel consumed by TEPCO during 2013 April - 2014 March. Units among the items are…

Since the earthquake in 2011, nuclear power is gradually abandoned. The ratio of nuclear power was 30% in 2010, but no nuclear power station is used as a power station currently. So far, thermal power compensates for the decline in nuclear…

The following shows the trend of the average height of 17 years old girls since 1900. Until 1990, the average height was getting taller year by year. But in last two decades, the trend is flat. Table : The average height of 17 years old wo…

I went to Yamada-denki with my son, and bought a box of hamster food for 368 yen ($3.79 €2.79). This time my son chose pellet type food. ------------------------------------------------------------------------------------------------------…