As of October 2021, Google has a significant number of daily users across its various services. However, the exact number of daily users for Google as a whole is not publicly disclosed by the company. 

Nevertheless, we can look at some specific Google services to get an idea of the massive user base they have:

1. Google Search: Google Search is the most widely used search engine globally. It handles billions of searches every day. According to Statista, as of January 2021, Google held a dominant 92.05% market share of the global search engine market. This indicates that a vast number of people use Google Search on a daily basis.

2. Gmail: Gmail is one of the most popular email services worldwide. In October 2018, Google reported that Gmail had more than 1.5 billion active users. While this number includes monthly active users, it gives an indication of the massive daily user base for Gmail.

3. YouTube: Google owns YouTube, the largest video-sharing platform. According to YouTube's official statistics, as of May 2021, over 2 billion logged-in users visit YouTube each month. Although this is a monthly figure, it demonstrates the immense daily usage of the platform.

4. Android: Google's Android operating system is the most widely used mobile OS globally. As of May 2021, Android had a market share of around 72.98%, according to Statcounter. With billions of Android devices in use, it implies a significant number of daily users accessing Google services through their smartphones.

While these examples provide insights into the vast user base of Google's services, it is important to note that the specific number of daily users for Google as a whole is not publicly disclosed. The figures mentioned above are meant to illustrate the scale of Google's reach and popularity.