Research methodology

Universe: People aged 55 and over resident in Spain. According to INE data, updated to 1 July 2022, this target is more than 16 million people.

Sample design: Random sample, stratified and with proportional allocation by sex and age, with a sample size of 1,125 interviews.

Sampling error: ±2.9%, in the usual sampling conditions with p=q=0.5 and a confidence level of 95.5%.

Method: Mixed telephone-online survey (CATI-CAWI), with a structured and closed questionnaire, which took approximately nine minutes to complete.

Field work: In October 2022, guaranteeing the anonymity of respondents' answers.

Quality control: In accordance with the ISO 20252 standard, certified by AENOR and the ICC/ESOMAR international code of conduct.

Direction of the Ageingnomics Research Centre: Juan Fernández Palacios.

Direction of the Barometer: Iñaki Ortega Cachón and Manuel Sevillano.

Technical team: Jaime González, María Madrigal, Beatriz Laguna, Irene Sánchez.

GOOGLE METHODOLOGY

For the elaboration of the 'III Senior Consumer Barometer. Silver Economy' was carried out in collaboration with Google. The data provided in this report corresponds to 31 August 2022.

Audience: Defined as the population in Spain, men and women aged 55+ interested in searching online for tutorials and information on healthy living, news and sustainability in August 2022, compared to the population in Spain aged 18-54. The lifestyle, psychographic and behavioural audiences defined by Google are based on aggregated and anonymous signals.

*Prepared by the Ageingnomics Research Centre of Fundación MAPFRE.