Lower over the period
Japan Primary Energy Consumption moved from 19.31 Exajoules in 2015 to 17.40 Exajoules in 2023 (−9.9%), an average of −1.3% a year. The series high was 19.31 Exajoules in 2015 and the low 17.37 Exajoules in 2020.
What Japan Primary Energy Consumption shows
Japan Primary Energy Consumption was 17.40 Exajoules in 2023, down 3.4% on 2022. The Primary Energy Consumption dataset of Japan from 2015 to 2023 provides a comprehensive overview of the country’s energy consumption landscape, highlighting total energy demand, consumption patterns, and long-term changes in the overall energy system.
A 10% peak-to-trough swing
The gap between the series high (2015) and low (2020) is 1.94 Exajoules. The sharpest single-year move was −7.3% in 2020.
Ranks 4 of 37 countries covered
Among the 37 countries in this dataset, Japan ranks 4 for 2023, behind China (170.7 Exajoules) and U.S. (94.28 Exajoules). It accounts for 2.8% of the global total in 2023.
Full series
Japan Primary Energy Consumption by year
Complete annual series with year-on-year change. Values are reported in Exajoules.
Scroll the table sideways to see all columns.
| Year | Exajoules | Change vs prior year |
|---|---|---|
| 2023 | 17.40 | −3.4% |
| 2022 | 18.02 | −0.6% |
| 2021 | 18.13 | +4.4% |
| 2020 Trough | 17.37 | −7.3% |
| 2019 | 18.74 | −2.1% |
| 2018 | 19.14 | −0.7% |
| 2017 | 19.28 | +1.2% |
| 2016 | 19.06 | −1.3% |
| 2015Peak | 19.31 | — |
Regional context
How Japan compares in Asia-Pacific
Primary Energy Consumption by country, 2023, Exajoules. Japan is highlighted.
1China170.7
2Japan17.40
3South Korea12.43
4Indonesia10.10
5Australia6.02
6Thailand5.01
7Vietnam4.89
8Malaysia4.81
Data definition
Inclusions and exclusions
Primary Energy Consumption — - Primary Energy Consumption refers to the total amount of energy consumed by a country before conversion into secondary energy forms such as electricity, heat, or refined fuels. It represents the consumption of energy from primary sources including fossil fuels, nuclear energy, and renewable energy sources within a given year. The metric is generally measured in Exajoules (EJ) and provides an overview of a country’s overall energy demand, economic activity, industrial development, and energy system structure. Primary Energy Consumption is an important indicator for evaluating energy usage patterns, resource dependence, energy security, and long-term energy transition trends across countries.
The data includes consumption of primary energy from major energy sources such as coal, crude oil, natural gas, nuclear energy, hydroelectricity, wind, solar, geothermal, biomass, and other renewable energy sources. It covers energy used across different sectors, including industrial, residential, commercial, transportation, and power generation activities. The dataset accounts for energy input before transformation into secondary energy products, allowing measurement of total energy demand at the national level. It includes domestically consumed energy and follows standardized calculation methodologies based on energy statistics from national sources and international energy databases, enabling comparison of energy consumption trends among countries.
The data excludes secondary energy products after conversion, such as electricity and refined petroleum products, when measured separately from their original primary energy inputs. It does not represent only electricity consumption or final energy consumption by end users. The indicator does not directly measure energy efficiency, energy affordability, carbon emissions, or the quality and reliability of energy services. Energy losses occurring during energy transformation, distribution, and transmission are accounted for according to the methodology used but do not represent actual useful energy consumed by consumers. Minor differences may occur due to variations in national statistical reporting, estimation methods, and energy accounting practices.
About this indicator
Primary Energy Consumption — - Primary Energy Consumption refers to the total amount of energy consumed by a country before conversion into secondary energy forms such as electricity, heat, or refined fuels. It represents the consumption of energy from primary sources including fossil fuels, nuclear energy, and renewable energy sources within a given year. The metric is generally measured in Exajoules (EJ) and provides an overview of a country’s overall energy demand, economic activity, industrial development, and energy system structure. Primary Energy Consumption is an important indicator for evaluating energy usage patterns, resource dependence, energy security, and long-term energy transition trends across countries.
Measured in Exajoules (EJ), the dataset represents the total primary energy consumed across the country and serves as an important indicator of energy utilization, economic activity, and infrastructure development.
Japan recorded primary energy consumption of 19.31 EJ in 2015, followed by a decrease to 19.06 EJ in 2016. Consumption increased slightly to 19.28 EJ in 2017 before declining to 19.14 EJ in 2018 and 18.74 EJ in 2019. In 2020, energy consumption decreased significantly to 17.37 EJ due to reduced economic activity and changing energy demand conditions. Consumption recovered in 2021, reaching 18.13 EJ, but declined slightly to 18.02 EJ in 2022. In 2023, Japan recorded primary energy consumption of 17.40 EJ, remaining close to the lower levels observed after 2020.
Overall, the dataset reflects a gradual declining trend in Japan’s primary energy consumption from 2015 to 2023, with moderate fluctuations throughout the period. The reduction indicates changes in energy demand, efficiency improvements, demographic factors, and evolving energy management practices. The temporary recovery in 2021 highlights adjustments following the decline experienced in 2020.
The dataset is useful for analyzing Japan’s energy consumption patterns, evaluating long-term energy demand changes, and comparing energy trends across global economies. It supports studies related to energy efficiency, sustainability planning, infrastructure assessment, and policy development. Furthermore, the data provides valuable insights for researchers, analysts, and policymakers examining Japan’s energy transition, resource management strategies, and future energy consumption outlook.
- Indicator
- Primary Energy Consumption
- Country
- Japan
- Region
- Asia-Pacific
- Unit
- Exajoules
- Coverage
- 2015–2023, annual
- Category
- Energy & Power
- Last updated
- July 2026
- Source
- energyinst.org
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Frequently asked questions
What is Japan Primary Energy Consumption?
Definition- Primary Energy Consumption refers to the total amount of energy consumed by a country before conversion into secondary energy forms such as electricity, heat, or refined fuels. It represents the consumption of energy from primary sources including fossil fuels, nuclear energy, and renewable energy sources within a given year. The metric is generally measured in Exajoules (EJ) and provides an overview of a country’s overall energy demand, economic activity, industrial development, and energy system structure. Primary Energy Consumption is an important indicator for evaluating energy usage patterns, resource dependence, energy security, and long-term energy transition trends across countries.
What was Japan Primary Energy Consumption in 2023?
Japan Primary Energy Consumption was 17.40 Exajoules in 2023, down 3.4% on 2022.
How has Japan Primary Energy Consumption changed between 2015 and 2023?
Japan Primary Energy Consumption moved from 19.31 Exajoules in 2015 to 17.40 Exajoules in 2023 (−9.9%), an average of −1.3% a year. The series high was 19.31 Exajoules in 2015 and the low 17.37 Exajoules in 2020.
Which year had the highest and lowest Japan Primary Energy Consumption?
The highest value was 19.31 Exajoules in 2015 and the lowest was 17.37 Exajoules in 2020.
What does the Japan Primary Energy Consumption data include and exclude?
Included: The data includes consumption of primary energy from major energy sources such as coal, crude oil, natural gas, nuclear energy, hydroelectricity, wind, solar, geothermal, biomass, and other renewable energy sources. It covers energy used across different sectors, including industrial, residential, commercial, transportation, and power generation activities. The dataset accounts for energy input before transformation into secondary energy products, allowing measurement of total energy demand at the national level. It includes domestically consumed energy and follows standardized calculation methodologies based on energy statistics from national sources and international energy databases, enabling comparison of energy consumption trends among countries. Excluded: The data excludes secondary energy products after conversion, such as electricity and refined petroleum products, when measured separately from their original primary energy inputs. It does not represent only electricity consumption or final energy consumption by end users. The indicator does not directly measure energy efficiency, energy affordability, carbon emissions, or the quality and reliability of energy services. Energy losses occurring during energy transformation, distribution, and transmission are accounted for according to the methodology used but do not represent actual useful energy consumed by consumers. Minor differences may occur due to variations in national statistical reporting, estimation methods, and energy accounting practices.
Where does the Japan Primary Energy Consumption data come from?
The series is sourced from energyinst.org (https://www.energyinst.org/__data/assets/pdf_file/0006/1542714/684_EI_Stat_Review_V16_DIGITAL.pdf). It covers 2015–2023 and is reported in Exajoules.
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