The question of whether « who is it » or « who is this » is correct depends on the context in which it is used. As of [current year], there is no definitive answer that applies in all situations. However, we can examine the common usage and provide some insights on when to use each phrase.

How:

1. « Who is it »: This phrase is commonly used when someone is referring to a person who is calling them on the phone or knocking on their door. It is used to inquire about the identity of the person trying to establish contact.

2. « Who is this »: This phrase is typically used when someone is asking for the identity of the person they are currently communicating with, either through phone calls, text messages, or online platforms. It is used to clarify who is on the other end of the conversation.

Figures (The most recent):

Unfortunately, there is a lack of specific figures or studies conducted on the usage of « who is it » or « who is this » in recent years. Language usage can vary greatly based on context, region, and personal preference, making it difficult to obtain precise figures on their usage.

Why:

The choice between « who is it » and « who is this » depends on the mode of communication and the specific situation in which the question is being asked. The aim is to clarify the identity of the person being referred to or spoken with.

1. « Who is it »: When someone is calling on the phone or knocking on the door, the use of « who is it » emphasizes the need to identify the person seeking contact.

2. « Who is this »: Used during ongoing conversations, « who is this » seeks to ascertain the identity of the person on the other end of the line, especially when the speaker is uncertain about who they are speaking to.

When:

The use of « who is it » or « who is this » varies depending on the situation. Here are some examples:

1. When answering a phone call: « Who is it » would be appropriate to ask for the caller’s identity when you have an incoming call.
2. When receiving a text message: « Who is this » is suitable to seek clarification regarding the sender’s identity.

Where (Currently):

The usage of « who is it » or « who is this » is not restricted to any specific location or situation. It is applicable in various communication scenarios and can be used globally.

Who:

1. Language experts: Linguists and language scholars can provide insights into the grammatical correctness and cultural usage of « who is it » and « who is this ».
2. Native speakers: People who use the English language as their first language can provide practical examples of when and how they use these phrases.

Eight additional questions related to « Who is it » or « Who is this »:

1. Is « who is it » more commonly used in spoken or written communication
2. In which situations would « who is this » be preferred over « who is it »
3. Are there any cultural or regional differences in the usage of these phrases
4. Can « who is it » be used when seeking someone’s identity in a written conversation
5. Are there any age-related preferences for « who is it » or « who is this »
6. Are there any formal or informal contexts where one phrase is preferred over the other
7. Are there any nuances in the usage of these phrases in different English-speaking countries
8. Are there any technological advancements influencing the usage of « who is it » or « who is this » in modern communication

*Please note that due to the lack of recent specific studies on this topic, the information provided is based on general knowledge of English language usage and is not supported by current studies.