Group 1 - The core idea of the news is the upcoming price index base period rotation in China, which is a fundamental statistical practice to ensure that the Consumer Price Index (CPI) accurately reflects current consumer behavior and economic conditions [2][3]. - The base period rotation will update the reference point for price comparisons from 2020 to 2025, allowing for a more accurate representation of the changes in consumer spending patterns [2][3]. - The CPI is designed to reflect the price level changes of a representative basket of goods and services consumed by residents over a certain period [2]. Group 2 - The rotation will involve adjustments to the CPI survey classification directory, survey points, representative specifications, classification weights, and price comparison base periods [4]. - New categories reflecting current consumption trends will be added, such as housing security equipment, elderly products, dishwashers, electric vehicle charging, photography services, internet medical services, and medical beauty services [4]. - The name of the "Food, Tobacco, and Alcohol" category will be changed to "Food, Tobacco, Alcohol, and Dining Out," and "Tourism" will be renamed to "Travel Agency and Other Tourism Services" to better reflect consumer spending [4]. Group 3 - The national CPI survey will cover approximately 120,000 points and about 620,000 specifications, expanding the coverage compared to the previous base period [6]. - New retail formats, such as membership-based supermarkets and flash sales platforms, will be included in the survey points, along with new representative specifications like smart drones [6]. - The data collection methods for CPI will be optimized, with an increased use of big data applications, including online transaction prices and administrative records [6]. Group 4 - The CPI weights, which represent the expenditure share of each category in the fixed basket, will see minor overall changes compared to the 2020 base period, with service weights increasing and consumer goods weights decreasing [7]. - Specific categories such as Food, Tobacco, and Alcohol; Transportation and Communication; Education, Culture, and Entertainment; Medical Care; and Other Goods and Services will see an increase in their weights [7]. Group 5 - The base period rotation will impact various policies linked to the CPI, such as price subsidy mechanisms for low-income groups when CPI growth exceeds certain thresholds [8]. - A more accurate CPI will also provide a reference for adjustments in interest rates, minimum pensions, and other livelihood policies [8].

问：为什么要开展价格指数基期轮换？ 答：基期轮换是价格指数编制的重要基础性工作，也是国际惯例和通行做法，旨在适应生产、流通、消 费领域商品和服务交易结构的新变化。基期是指价格指数对比基准时期，这一时期的指数为100。按照 统计制度安排，目前我国CPI和PPI每五年进行一次基期轮换，2026年开始编制和发布以2025年为基期的 价格指数。下面以CPI基期轮换为例详细说明。 CPI是综合反映一定时期内居民消费的商品和服务价格水平变动情况的相对数。由于居民消费的类别和 品种成千上万，为观察其总体价格变动情况，通常选取一定时期内居民经常消费、对居民生活影响较 大、有代表性的一组商品和服务作为"固定篮子"，用它们的价格变化来代表全社会所有商品和服务的价 格变化。随着经济社会发展，居民消费结构也在发生变化，需要及时调整CPI调查的"固定篮子"。例 如，随着我国居民越来越多地购买新能源小汽车，车用电力作为交通工具用能源需及时纳入CPI调查范 围。CPI基期轮换就是对"固定篮子"和价格对比基期进行调整，以适应居民消费结构的最新变化，进一 步提高价格指数的代表性，更加真实准确反映消费市场价格变动。 问：基期轮换对CPI和PPI ...

Core Viewpoint - The National Bureau of Statistics of China released the Consumer Price Index (CPI) and Producer Price Index (PPI) data based on the 2025 benchmark, marking the first data release after the benchmark rotation [1] Group 1: Purpose of Benchmark Rotation - Benchmark rotation is a fundamental task in compiling price indices, aimed at adapting to changes in the structure of goods and services in production, circulation, and consumption [2] - The CPI reflects the price level changes of goods and services consumed by residents over a certain period, requiring adjustments to the "fixed basket" of goods to accurately represent current consumption patterns [2] Group 2: Changes in CPI Survey - The CPI benchmark rotation involves revising the survey classification directory, survey points, representative specifications, classification weights, and price comparison benchmarks [3] - The current benchmark includes new categories such as housing security equipment, elderly products, dishwashers, and internet medical services, reflecting new consumption trends [3][4] Group 3: Survey Coverage and Data Collection - Approximately 120,000 survey points and about 620,000 representative specifications were included in the current benchmark, expanding the coverage compared to the previous benchmark [4] - The data collection methods have been optimized, with increased use of big data applications such as online transaction prices and electronic data from enterprises [4] Group 4: CPI Weight Calculation - CPI weights are derived from household expenditure surveys and are adjusted to ensure they accurately reflect the consumption structure [5] - The weights for the eight major categories in the 2025 benchmark are: Food, Alcohol, and Dining Out (29.5%), Clothing (5.4%), Housing (22.1%), Household Goods and Services (5.5%), Transportation and Communication (14.3%), Education, Culture, and Entertainment (11.4%), Healthcare (8.9%), and Other Goods and Services (2.9%) [5][7] Group 5: Impact of Benchmark Rotation - The benchmark rotation will affect the CPI and PPI data, with an average impact of approximately 0.06 and 0.08 percentage points on the monthly year-on-year indices for CPI and PPI, respectively [9]

答： 基期轮换是价格指数编制的重要基础性工作，也是国际惯例和通行做法，旨在适应生产、流通、 消费领域商品和服务交易结构的新变化。基期是指价格指数对比基准时期，这一时期的指数为 100 。 按照统计制度安排，目前我国 CPI 和 PPI 每五年进行一次基期轮换， 2026 年开始编制和发布以 2025 年为基期的价格指数。下面以 CPI 基期轮换为例详细说明。 CPI 是综合反映一定时期内居民消费的商品和服务价格水平变动情况的相对数。由于居民消费的类别 和品种成千上万，为观察其总体价格变动情况，通常选取一定时期内居民经常消费、对居民生活影响较 大、有代表性的一组商品和服务作为"固定篮子"，用它们的价格变化来代表全社会所有商品和服务的 价格变化。随着经济社会发展，居民消费结构也在发生变化，需要及时调整 CPI 调查的"固定篮子"。 例如，随着我国居民越来越多地购买新能源小汽车，车用电力作为交通工具用能源需及时纳入 CPI 调 查范围。 CPI 基期轮换就是对"固定篮子"和价格对比基期进行调整，以适应居民消费结构的最新变 化，进一步提高价格指数的代表性，更加真实准确反映消费市场价格变动。 问：基期轮换对CPI和PP ...

Core Viewpoint - The National Bureau of Statistics of China released the Consumer Price Index (CPI) and Producer Price Index (PPI) data based on the 2025 benchmark, marking the first data release after the benchmark rotation [1] Group 1: Purpose of Benchmark Rotation - Benchmark rotation is a fundamental task in compiling price indices, aimed at adapting to changes in the structure of goods and services in production, circulation, and consumption [2] - The CPI reflects the price level changes of goods and services consumed by residents over a certain period, necessitating adjustments to the "fixed basket" of goods to accurately represent current consumption patterns [2] Group 2: Changes in CPI Survey - The CPI benchmark rotation involves revising the survey classification directory, survey points, representative specifications, classification weights, and price comparison benchmarks [3] - The current CPI survey includes 8 major categories and 268 basic classifications, with new categories added to reflect emerging consumption trends, such as electric vehicle charging and internet medical services [3][4] Group 3: Survey Coverage and Data Collection - Approximately 120,000 survey points and around 620,000 representative specifications were included in the current CPI survey, expanding the coverage compared to the previous benchmark [4] - New retail formats and products, such as membership supermarkets and smart drones, were incorporated into the survey, and data collection methods were optimized to include big data applications [4] Group 4: CPI Weight Calculation - CPI weights are determined based on household expenditure surveys and other macro data, ensuring they accurately reflect the consumption structure [5] - The weights for the 2025 benchmark are as follows: Food, Alcohol, and Dining Out (29.5%), Clothing (5.4%), Housing (22.1%), and others, with some categories showing slight increases or decreases compared to the previous benchmark [5][7] Group 5: Impact of Benchmark Rotation - The benchmark rotation will affect the CPI and PPI indices, with an average impact of approximately 0.06 and 0.08 percentage points on the monthly year-on-year indices, respectively [9]

2月11日，国家统计局发布了以2025年为基期的全国居民消费价格指数（CPI）和工业生产者出厂 价格指数（PPI）数据，这是本次基期轮换后的首次数据发布。对此，国家统计局城市司负责人接受了 《中国信息报》专访。 权数测算也是CPI基期轮换的一项重要工作。CPI权数测算遵循客观性、真实性和科学性相统一的 原则，使用国际可比的方法进行测算。CPI权数测算完成后，按照采集好的新基期规格品价格对2025年 指数进行重新计算，作为新的对比基期。 3.如何确定CPI权数？各大类权数是多少？和上一轮基期相比，权数有何变化？ 答：CPI权数是指按对比期价格购买"固定篮子"中各类商品或服务的支出占购买整个篮子所需支出 的比重。权数来源以住户收支与生活状况调查中居民消费支出资料为主，部分小类和基本分类通过权数 专项调查细化补充，并结合其他宏观数据、行业统计资料加以完善，确保权数客观真实反映居民消费结 构。具体来看，食品烟酒及在外餐饮、衣着、居住、生活用品及服务、交通通信、教育文化娱乐、医疗 1.为什么要开展价格指数基期轮换？ 答：基期轮换是价格指数编制的重要基础性工作，也是国际惯例和通行做法，旨在适应生产、流 通、消费领域商品和 ...

Core Viewpoint - The National Bureau of Statistics released the Consumer Price Index (CPI) and Producer Price Index (PPI) data based on the 2025 benchmark, marking the first data release after the benchmark rotation [1] Group 1: Purpose of Benchmark Rotation - Benchmark rotation is a fundamental task in compiling price indices, aligning with international practices to adapt to changes in the structure of goods and services transactions in production, circulation, and consumption [2] - The CPI reflects the price level changes of goods and services consumed by residents over a certain period, requiring timely adjustments to the "fixed basket" of goods to accurately represent market price changes [2] Group 2: Changes in CPI Survey - The CPI benchmark rotation involves revising the survey classification directory, survey points, representative specifications, classification weights, and price comparison benchmarks [3] - The current CPI survey classification directory has been adjusted based on comprehensive market research, adding new categories such as housing security equipment, elderly products, and internet medical services, while maintaining 8 major categories and 268 basic classifications [3][4] Group 3: Survey Points and Data Collection - Approximately 120,000 survey points and about 620,000 representative specifications were selected for the current benchmark, expanding the coverage compared to the previous benchmark [4] - New retail formats and data collection methods, including online transaction prices and big data applications, have been incorporated to better reflect new consumption patterns [4] Group 4: CPI Weight Calculation - CPI weights are determined based on household expenditure surveys and other macro data, ensuring they accurately reflect the consumption structure [5] - The weights for the eight major categories in the 2025 benchmark are as follows: Food, Alcohol, and Dining Out (29.5%), Clothing (5.4%), Housing (22.1%), Household Goods and Services (5.5%), Transportation and Communication (14.3%), Education, Culture, and Entertainment (11.4%), Medical Care (8.9%), and Other Goods and Services (2.9%) [6][7] Group 5: Impact of Benchmark Rotation - The benchmark rotation will influence the CPI and PPI indices due to changes in survey classifications, survey points, and weights, with an estimated average impact of approximately 0.06 and 0.08 percentage points on the monthly year-on-year indices for CPI and PPI, respectively [9]

2月11日，国家统计局发布了以2025年为基期的全国居民消费价格指数（CPI）和工业生产者出厂价格 指数（PPI）数据，这是本次基期轮换后的首次数据发布。为什么要开展价格指数基期轮换？对此，国 家统计局城市司负责人接受采访时表示，基期轮换是价格指数编制的重要基础性工作，也是国际惯例和 通行做法，旨在适应生产、流通、消费领域商品和服务交易结构的新变化。基期是指价格指数对比基准 时期，这一时期的指数为100。按照统计制度安排，目前我国CPI和PPI每五年进行一次基期轮换，2026 年开始编制和发布以2025年为基期的价格指数。下面以CPI基期轮换为例详细说明。 （文章来源：国家统计局） CPI是综合反映一定时期内居民消费的商品和服务价格水平变动情况的相对数。由于居民消费的类别和 品种成千上万，为观察其总体价格变动情况，通常选取一定时期内居民经常消费、对居民生活影响较 大、有代表性的一组商品和服务作为"固定篮子"，用它们的价格变化来代表全社会所有商品和服务的价 格变化。随着经济社会发展，居民消费结构也在发生变化，需要及时调整CPI调查的"固定篮子"。例 如，随着我国居民越来越多地购买新能源小汽车，车用电力作为交通工 ...